Materiały źródłowe

• #1 Nongenital Warts: Background, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/1133317-overview

  Warts are benign proliferations of skin and mucosa caused by the human papillomavirus (HPV). Currently, more than 100 types of HPV have been identified. […] Warts are caused by HPV, which is a double-stranded, circular, supercoiled DNA virus enclosed in an icosahedral capsid and comprising 72 capsomers. More than 100 types of HPV have been identified. Note the following wart types and HPV types: […] Common warts – HPV types 2 and 4 (most common), followed by types 1, 3, 27, 29, and 57.

• #2 Warts: 3 Types, Treatment, and Prevention

  https://www.webmd.com/skin-problems-and-treatments/warts

  Warts are fairly common. About 1 in 10 people get them at some point. […] There are different types of warts. All of them are caused by the human papillomavirus (HPV). […] Ten percent of people will develop a wart (verruca vulgaris) at some time in their lives. Warts are caused by the HPV virus, which is contagious. […] Common warts form rough bumps on your hands. […] This type of wart is usually caused by HPV types 2 or 4. […] Warts are caused by certain types of human papillomavirus (HPV).

• #3 Why Do Warts Appear? Understanding the Causes Of Warts and Prevention

  https://www.revitaliselondon.co.uk/why-do-warts-appear-understanding-the-causes-of-warts-and-prevention/

  The cause of warts is more common than you might think, as most people experience them at some point in their lives. […] Warts are caused mainly by human papillomavirus (HPV). The virus infects the top layer of the skin, causing it to produce too much keratin, resulting in a wart. […] An Disease occurs when HPV enters the body through tiny cuts, scratches, or breaks in the skin. The virus then gets in and starts triggering the skin cells to grow rapidly. […] Most people who get HPV don’t get warts. However, your risk of developing warts increases if you have a weakened immune system. […] Different HPV strains cause different warts. For example: HPV types 2 and 4 usually cause common warts, which appear on hands and fingers. […] The other common way warts can be spread is that the virus is capable of staying on surfaces for a short period and then coming in contact with you indirectly.

• #4 Nongenital Warts: Background, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/1133317-overview

  Warts are benign proliferations of skin and mucosa caused by the human papillomavirus (HPV). Currently, more than 100 types of HPV have been identified. […] Warts are caused by HPV, which is a double-stranded, circular, supercoiled DNA virus enclosed in an icosahedral capsid and comprising 72 capsomers. More than 100 types of HPV have been identified. Note the following wart types and HPV types: […] Common warts – HPV types 2 and 4 (most common), followed by types 1, 3, 27, 29, and 57.

• #5 Warts, verrucas, human papillomavirus infection

  https://dermnetnz.org/topics/viral-wart

  A viral wart is a very common benign lesion caused by infection with human papillomavirus (HPV). […] Warts are due to infection by the human papillomavirus (HPV), a double-stranded DNA virus. There are more than 150 known HPV types, only some of which infect the skin, giving rise to a variety of clinical presentations. […] The most common HPV types infecting the skin are types 1, 2, 3, 4, 10, 27, 29, and 57. […] HPV is spread by direct skin-to-skin contact or autoinoculation; if a wart is scratched or picked, a wart may develop under the fingernail (subungual wart) or virus may be spread to another area of skin. […] The incubation period can be as long as twelve months, depending on the amount of virus inoculated.

• #6 Warts: 3 Types, Treatment, and Prevention

  https://www.webmd.com/skin-problems-and-treatments/warts

  Warts are fairly common. About 1 in 10 people get them at some point. […] There are different types of warts. All of them are caused by the human papillomavirus (HPV). […] Ten percent of people will develop a wart (verruca vulgaris) at some time in their lives. Warts are caused by the HPV virus, which is contagious. […] Common warts form rough bumps on your hands. […] This type of wart is usually caused by HPV types 2 or 4. […] Warts are caused by certain types of human papillomavirus (HPV).

• #7 Wart – Wikipedia

  https://en.wikipedia.org/wiki/Wart

  Warts are caused by the human papillomavirus (HPV). […] HPV infects the squamous epithelium, usually of the skin or genitals, but each HPV type is typically only able to infect a few specific areas of the body. […] Many HPV types can produce a benign growth, often called a „wart” or „papilloma”, in the area they infect. […] Common warts HPV types 2 and 4 (most common); also types 1, 3, 26, 29, and 57 and others. […] Plantar warts (verruca) HPV type 1 (most common); also types 2, 4, 27, 28, and others. […] Anogenital warts (condylomata acuminata or venereal warts) HPV types 6 and 11 (most common); also types 42, 44 and others. […] Warts have been described as far back as 400 BC by Hippocrates. […] In 1907 the physician Giuseppe Ciuffo was the first to demonstrate that warts were caused by a virus infection. […] In 1976 the virologist Harald zur Hausen was the first to discover that warts were caused by the human papillomavirus (HPV).

• #8 Wart – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK431047/

  Warts are prevalent benign lesions caused by the human papillomavirus (HPV) that occur in the mucosa and skin. […] Warts are caused by the human papillomavirus (HPV), with over 100 types of HPV identified. HPV may occur at any site. […] There are over 100 subtypes of the HPV virus, but only a few types can cause skin warts at selective anatomical sites. […] HPV tends to cause genital warts, flat warts, and palmoplantar warts. […] Common warts are associated with HPV types 2, 4 (most common), followed by types 1, 3, 27, 29, and 57. […] Warts are easily transmitted by direct or indirect contact, especially if there is the disruption of the normal epithelial barrier. […] HPV usually only infects the epithelial layers of skin, and systemic dissemination is very rare. […] The virus is known to replicate in the upper level of the epithelium, but the virus particles also can be found in the basal layer.

• #9 Nongenital Warts: Background, Pathophysiology, Etiology

  https://emedicine.medscape.com/article/1133317-overview

  Warts are benign proliferations of skin and mucosa caused by the human papillomavirus (HPV). Currently, more than 100 types of HPV have been identified. […] Warts are caused by HPV, which is a double-stranded, circular, supercoiled DNA virus enclosed in an icosahedral capsid and comprising 72 capsomers. More than 100 types of HPV have been identified. Note the following wart types and HPV types: […] Common warts – HPV types 2 and 4 (most common), followed by types 1, 3, 27, 29, and 57.

• #10 Miami Center for Cosmetic Dermatology – Dr. Deborah LongwillCauses of Warts | Wart Removal Treatment in MiamiCauses of Warts | Wart Removal Treatment in Miami

  https://miamicenterfordermatology.com/blog/causes-of-warts/

  Warts are rough and they look similar to a solid blister or cauliflower. […] The cause of warts is a virus which is known as the human Papilloma virus or HPV. […] According to most doctors, there are almost 130 types of human Papilloma viruses. They can generate benevolent development which is called papilloma or wart. […] Common warts It is the most popular HPV type and 2, 4, 26, 57, 29, 1, and 3.

• #11 Warts: How To Identify, Causes, Types, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/15045-warts

  Warts are skin growths that develop due to strains of the human papillomavirus (HPV). […] The human papillomavirus (HPV) causes warts. There are over 100 subtypes (strains) of HPV, but only a few types can cause warts on certain parts of your body. […] Certain strains of the human papillomavirus (HPV) cause warts. The virus can enter your skin through small cuts and cause extra cell growth. The outer layer of your skin turns thicker and harder, forming a wart. Warts are more likely to infect moist and soft skin or injured skin. […] All warts come from HPV, but not all forms of HPV cause warts. The type of HPV that can progress to cancer (like cervical cancer) doesn’t cause warts.

• #12 Patient education: Common warts, plantar warts, and flat warts (Beyond the Basics) – UpToDate

  https://www.uptodate.com/contents/common-warts-plantar-warts-and-flat-warts-beyond-the-basics/print

  Skin warts are growths on the skin that are caused by a virus called human papillomavirus (HPV). HPV infection is common; there are different types, some of which can cause warts. […] The types of HPV that cause common warts, plantar warts, or flat warts are usually different from the types of HPV that cause genital warts. […] People can become infected with the virus that causes warts (HPV) by touching another person’s wart. HPV is more likely to infect skin that is injured or softened by water, but they can infect healthy skin as well. It can take up to six months or longer after exposure to the virus for a wart to appear.

• #13 Warts

  https://www.rch.org.au/kidsinfo/fact_sheets/Warts/

  Warts are caused by a family of viruses called human papillomavirus (HPV). Once infected with the virus, it may take up to a year or more for the wart to become visible. They then grow very slowly over a period of months to years. […] There are many different types of wart virus, and it is possible to become immune to one type, but develop other types of warts. Any immunity is not lifelong. […] Genital warts are caused by a different family type of HPV. These are sexually transmitted and can sometimes cause cervical and vulval cancer. Ordinary skin warts do not cause cancer.

• #14 Common Warts: Symptoms, Causes & Treatments | Ada Health

  https://ada.com/conditions/common-warts/

  Common warts are caused by an infection with human papillomavirus (HPV). […] HPV infects the skin through small cuts, scrapes, or weak spots, with warts appearing approximately two to six months later. The virus causes the protein keratin to develop in excess on the surface of the skin, resulting in the appearance of a wart. […] Common warts are particularly prevalent in children and young adults, as well as people with weakened immune systems as a result of conditions such as HIV/AIDS, certain other severe and long-lasting medical conditions, receiving certain kinds of chemotherapy, or after procedures such as organ transplantation and the ensuing treatment. […] HPV is contagious and is passed on through direct skin-to-skin contact or indirect contact with objects or surfaces. Damaged or wet skin is most likely to pick up the virus, meaning locations such as swimming pools and showers, especially public ones, are particularly common sources of infection.

• #15 Common warts – Symptoms, Causes, Diagnosis and Treatment | MedPark Hospital

  https://www.medparkhospital.com/en-US/disease-and-treatment/common-warts

  The cause of common warts is exposure to and infection by the HPV virus. […] The human papillomavirus (HPV) is the cause of common warts. The viral infection can occur through breaks in the skin, such as a scrape or hangnail. […] The human papillomavirus (HPV) is the cause of common warts. The viral infection can occur through breaks in the skin.

• #16 Viral Warts > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/viral-warts

  Common warts, flat warts, and plantar warts are viral infections of the skin (most originating from the human papillomavirus or HPV family, but not the strains associated with cancer). […] Viruses like to infect through cuts in the skin, says Yale Medicine dermatologist Christopher Bunick, MD, PhD. […] Viral warts affect children and teens more than adults because their immune systems havent developed the antibodies to fight strains of HPV that cause warts. […] Skin-to-skin contact, or skin that comes in contact with things that have been touched by others, is often what spreads the virus. […] Though most people become immune to the viruses over time, usually by the end of the teenage years, some people may develop warts into adulthood, possibly because of certain genetic susceptibilities.

• #17 Wart – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK431047/

  Warts are prevalent benign lesions caused by the human papillomavirus (HPV) that occur in the mucosa and skin. […] Warts are caused by the human papillomavirus (HPV), with over 100 types of HPV identified. HPV may occur at any site. […] There are over 100 subtypes of the HPV virus, but only a few types can cause skin warts at selective anatomical sites. […] HPV tends to cause genital warts, flat warts, and palmoplantar warts. […] Common warts are associated with HPV types 2, 4 (most common), followed by types 1, 3, 27, 29, and 57. […] Warts are easily transmitted by direct or indirect contact, especially if there is the disruption of the normal epithelial barrier. […] HPV usually only infects the epithelial layers of skin, and systemic dissemination is very rare. […] The virus is known to replicate in the upper level of the epithelium, but the virus particles also can be found in the basal layer.

• #18 Warts and verrucas | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/skin-hair-and-nails/warts-and-verrucas/

  Warts are caused by certain strains of the human papilloma virus (HPV). […] Warts are caused by certain strains of the human papilloma virus (HPV). […] There are lots of different strains of HPV and these cause different types of warts. […] HPV causes too much keratin (a hard protein) to develop in the top skin layer (epidermis). The extra keratin produces the rough, hard texture of a wart.

• #19 Warts: Causes, types, and treatments

  https://www.medicalnewstoday.com/articles/155039

  The human papillomavirus (HPV) family causes warts. These growths can appear anywhere on the body and are transmissible through touch. There are more than 100 types of HPV. […] Different HPV strains cause different warts. These strains can transmit through close skin-to-skin contact and contact with items recently exposed to HPV. […] HPV causes the excessive and rapid growth of keratin, which is a hard protein on the top layer of the skin. This results in warts forming. […] People with a compromised or suppressed immune system have a higher risk for contracting an HPV strain leading to warts. […] The transmission risk of warts is low in adults and higher in children and infants.

• #20 Overview: Warts – InformedHealth.org – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK279586/

  Warts are caused by viruses called human papillomaviruses (HPV), of which there are more than 100 different types. These can enter the skin through small cuts and cause extra cell growth. The outer layer of skin turns thicker and harder, forming a raised wart. […] Wart viruses are mainly spread by direct skin contact, but they may also be spread by touching objects like towels or razors. They are more likely to infect moist and soft or injured skin.

• #21 Wart – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK431047/

  Warts are prevalent benign lesions caused by the human papillomavirus (HPV) that occur in the mucosa and skin. […] Warts are caused by the human papillomavirus (HPV), with over 100 types of HPV identified. HPV may occur at any site. […] There are over 100 subtypes of the HPV virus, but only a few types can cause skin warts at selective anatomical sites. […] HPV tends to cause genital warts, flat warts, and palmoplantar warts. […] Common warts are associated with HPV types 2, 4 (most common), followed by types 1, 3, 27, 29, and 57. […] Warts are easily transmitted by direct or indirect contact, especially if there is the disruption of the normal epithelial barrier. […] HPV usually only infects the epithelial layers of skin, and systemic dissemination is very rare. […] The virus is known to replicate in the upper level of the epithelium, but the virus particles also can be found in the basal layer.

• #22 Warts, verrucas, human papillomavirus infection

  https://dermnetnz.org/topics/viral-wart

  A viral wart is a very common benign lesion caused by infection with human papillomavirus (HPV). […] Warts are due to infection by the human papillomavirus (HPV), a double-stranded DNA virus. There are more than 150 known HPV types, only some of which infect the skin, giving rise to a variety of clinical presentations. […] The most common HPV types infecting the skin are types 1, 2, 3, 4, 10, 27, 29, and 57. […] HPV is spread by direct skin-to-skin contact or autoinoculation; if a wart is scratched or picked, a wart may develop under the fingernail (subungual wart) or virus may be spread to another area of skin. […] The incubation period can be as long as twelve months, depending on the amount of virus inoculated.

• #23 Warts (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/wart.html

  Warts are caused by an infection with a virus in the human papillomavirus (HPV) family. There are many types of HPV, which can affect different parts of the body. Sometimes warts are sexually transmitted and appear in the genital area. The HPV viruses that cause these are different from the viruses that cause warts on other parts of the body. […] HPV viruses that cause warts can pass from person to person through close physical contact or from touching something that a person with a wart touches, like a towel, bathmat, or a shower floor. […] Kids who bite their fingernails or pick at hangnails are at risk for warts because they create open areas for a virus to enter and cause a wart. A tiny cut or scratch can put any area of skin at risk for a wart. Also, picking at a wart can spread warts to other parts of the body. […] How long warts take to develop can vary. They can grow very slowly and may take weeks or months to develop after someone is exposed to the virus.

• #24 Warts: Causes, types, and treatments

  https://www.medicalnewstoday.com/articles/155039

  The human papillomavirus (HPV) family causes warts. These growths can appear anywhere on the body and are transmissible through touch. There are more than 100 types of HPV. […] Different HPV strains cause different warts. These strains can transmit through close skin-to-skin contact and contact with items recently exposed to HPV. […] HPV causes the excessive and rapid growth of keratin, which is a hard protein on the top layer of the skin. This results in warts forming. […] People with a compromised or suppressed immune system have a higher risk for contracting an HPV strain leading to warts. […] The transmission risk of warts is low in adults and higher in children and infants.

• #25 Wart – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK431047/

  Warts are prevalent benign lesions caused by the human papillomavirus (HPV) that occur in the mucosa and skin. […] Warts are caused by the human papillomavirus (HPV), with over 100 types of HPV identified. HPV may occur at any site. […] There are over 100 subtypes of the HPV virus, but only a few types can cause skin warts at selective anatomical sites. […] HPV tends to cause genital warts, flat warts, and palmoplantar warts. […] Common warts are associated with HPV types 2, 4 (most common), followed by types 1, 3, 27, 29, and 57. […] Warts are easily transmitted by direct or indirect contact, especially if there is the disruption of the normal epithelial barrier. […] HPV usually only infects the epithelial layers of skin, and systemic dissemination is very rare. […] The virus is known to replicate in the upper level of the epithelium, but the virus particles also can be found in the basal layer.

• #26 Warts: Who gets and causes

  https://www.aad.org/public/diseases/a-z/warts-causes

  Anyone can get warts. Some people are more prone to getting a wart virus (HPV) than others. […] Viruses called human papillomavirus (HPV) cause warts. It is easier to catch a virus that causes warts when you have a cut or scrape on your skin. […] Warts can spread from person to person. You can get warts from touching a wart on someone’s body. Some people get a wart after touching something that another person’s wart touched, such as a towel.

• #27 What Causes Warts? A Dermatologist Explains

  https://mydoctor.kaiserpermanente.org/mas/news/what-causes-warts-a-dermatologist-explains-2486911

  Warts are triggered by a viral infection by human papilloma virus (HPV. The virus enters the skin through tiny cuts and infects the top layer of the skin, causing the top layer to grow quickly and a wart to form. […] Warts are contagious. They can spread through direct skin-to-skin contact, such as during intimacy and sexual contact. Warts can also spread through indirect contact, such as by sharing towels, in a locker room or in a public swimming pool. Warts can also spread to other places on your own body, called self-inoculation. […] People who are immunocompromised are at high risk of developing warts because they have a weakened immune response to fight off viruses. Children also are at high risk of developing warts because they tend to have cuts and scrapes on their skin where the virus can enter. […] Getting the HPV vaccine can help in the prevention of warts, particularly genital warts.

• #28 Warts (Verruca) Causes, Symptoms, and Treatments in Columbus, Ohio | Rixis Dermatology

  https://www.rixisdermatology.com/warts

  Warts are common skin growths that typically appear as small, rough, and hard bumps, matching the skin’s color. […] The human papillomavirus (HPV) is the culprit behind warts. Over 130 known HPV types exist, with specific strains prompting the skin cells to multiply rapidly and form warts. Strains like types 2, 3, 4, 27, 29, and 57 are particularly associated with warts. […] Transmission occurs through direct contact, including self-inoculation from scratching or picking. It’s noteworthy that warts might emerge up to a year after HPV exposure. […] Immunosuppressed individuals, such as those with HIV, organ transplant recipients, or those on immunosuppressive drugs, face a heightened risk.

• #29 How to Remove Warts: 3 Types, Causes & Home Remedies

  https://www.emedicinehealth.com/warts/article_em.htm

  Warts are small harmless tumors of the skin caused by a virus called the human papillomavirus. […] Warts are caused by the DNA-containing human papillomavirus (HPV). There are at least 100 genetically different types of HPVs. […] The virus enters the skin after direct contact with recently shed viruses kept alive in warm, moist environments such as a locker room, or by direct contact with an infected person. The entry site is often an area of recent skin injury. The incubation time (from when the virus is contracted until a wart appears) can be one to eight months.

• #30 Overview: Warts – InformedHealth.org – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK279586/

  Warts are caused by viruses called human papillomaviruses (HPV), of which there are more than 100 different types. These can enter the skin through small cuts and cause extra cell growth. The outer layer of skin turns thicker and harder, forming a raised wart. […] Wart viruses are mainly spread by direct skin contact, but they may also be spread by touching objects like towels or razors. They are more likely to infect moist and soft or injured skin.

• #31 Warts (for Teens) | Nemours KidsHealth

  https://kidshealth.org/en/teens/warts.html

  Warts are tiny skin infections caused by viruses of the human papillomavirus (HPV) family. […] The HPV virus that causes warts can pass from person to person by close physical contact or from touching something that a person with a wart touches, like a towel, bathmat, or a shower floor.

• #32 Common Warts: Symptoms, Causes & Treatments | Ada Health

  https://ada.com/conditions/common-warts/

  Common warts are caused by an infection with human papillomavirus (HPV). […] HPV infects the skin through small cuts, scrapes, or weak spots, with warts appearing approximately two to six months later. The virus causes the protein keratin to develop in excess on the surface of the skin, resulting in the appearance of a wart. […] Common warts are particularly prevalent in children and young adults, as well as people with weakened immune systems as a result of conditions such as HIV/AIDS, certain other severe and long-lasting medical conditions, receiving certain kinds of chemotherapy, or after procedures such as organ transplantation and the ensuing treatment. […] HPV is contagious and is passed on through direct skin-to-skin contact or indirect contact with objects or surfaces. Damaged or wet skin is most likely to pick up the virus, meaning locations such as swimming pools and showers, especially public ones, are particularly common sources of infection.

• #33 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #34 What Causes Warts?

  https://www.compoundw.com/blog/what-causes-warts

  Warts are caused by many different strains of the human papillomavirus (HPV). About 60% of HPV strains cause the common and plantar warts we find on our hands and feet. […] The virus enters the skin through scratches, cracks in the skin, or small wounds you may not even know are there. […] Once the virus enters the skin, it can cause a rapid growth of cells. These multiplying skin cells eventually emerge as a wart. […] Young children are typically more likely than adults to get warts because their immune system is still developing and because they are often in close contact with many other kids at school and in sports or recreational activities. […] Athletes, especially child and teen athletes, are also more at risk for warts because they usually share common shower areas, locker rooms, sports equipment and even towels sometimes. Their hands and feet are often in moist environments like gloves, mitts, socks and cleats where viruses thrive.

• #35 Common Warts: Symptoms, Causes & Treatments | Ada Health

  https://ada.com/conditions/common-warts/

  Common warts are caused by an infection with human papillomavirus (HPV). […] HPV infects the skin through small cuts, scrapes, or weak spots, with warts appearing approximately two to six months later. The virus causes the protein keratin to develop in excess on the surface of the skin, resulting in the appearance of a wart. […] Common warts are particularly prevalent in children and young adults, as well as people with weakened immune systems as a result of conditions such as HIV/AIDS, certain other severe and long-lasting medical conditions, receiving certain kinds of chemotherapy, or after procedures such as organ transplantation and the ensuing treatment. […] HPV is contagious and is passed on through direct skin-to-skin contact or indirect contact with objects or surfaces. Damaged or wet skin is most likely to pick up the virus, meaning locations such as swimming pools and showers, especially public ones, are particularly common sources of infection.

• #36 What Causes Warts and Will They Go Away on Their Own? | Specialists in Dermatology

  https://www.twssc.org/what-causes-warts-and-will-they-go-away-on-their-own/

  Warts are medically benign, but aesthetically unappealing, growths on your skin that can resemble little heads of cauliflower or manifest as raised patches dotted with black seeds. All warts are caused by one of more than 100 types of human papillomavirus (HPV). […] Warts are highly contagious. If you have cuts on your feet, for instance, you could pick up the HPV that causes warts by walking barefoot in a public space or even standing on a bathmat that’s been used by someone who has warts. […] You’re more likely to get warts if you’re immunocompromised. Certain occupations in which you have to handle raw meat increase your risk for warts. […] If you pick at or scratch a wart on your own body, you can even transfer the HPV to another body part and develop warts there, too.

• #37 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #38 Viral Warts > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/viral-warts

  Common warts, flat warts, and plantar warts are viral infections of the skin (most originating from the human papillomavirus or HPV family, but not the strains associated with cancer). […] Viruses like to infect through cuts in the skin, says Yale Medicine dermatologist Christopher Bunick, MD, PhD. […] Viral warts affect children and teens more than adults because their immune systems havent developed the antibodies to fight strains of HPV that cause warts. […] Skin-to-skin contact, or skin that comes in contact with things that have been touched by others, is often what spreads the virus. […] Though most people become immune to the viruses over time, usually by the end of the teenage years, some people may develop warts into adulthood, possibly because of certain genetic susceptibilities.

• #39 What Causes Warts? A Dermatologist Explains

  https://mydoctor.kaiserpermanente.org/mas/news/what-causes-warts-a-dermatologist-explains-2486911

  Warts are triggered by a viral infection by human papilloma virus (HPV. The virus enters the skin through tiny cuts and infects the top layer of the skin, causing the top layer to grow quickly and a wart to form. […] Warts are contagious. They can spread through direct skin-to-skin contact, such as during intimacy and sexual contact. Warts can also spread through indirect contact, such as by sharing towels, in a locker room or in a public swimming pool. Warts can also spread to other places on your own body, called self-inoculation. […] People who are immunocompromised are at high risk of developing warts because they have a weakened immune response to fight off viruses. Children also are at high risk of developing warts because they tend to have cuts and scrapes on their skin where the virus can enter. […] Getting the HPV vaccine can help in the prevention of warts, particularly genital warts.

• #40 Warts: Medical Conditions: Health Answers: Student Health Center: Indiana University Bloomington

  https://healthcenter.indiana.edu/health-answers/medical-conditions/warts.html

  Warts are extra layers of skin caused by the human papilloma virus (HPV) family. […] There are more than 150 specific types of HPV; most of them cause the harmless but unsightly warts on other (non-genital) parts of the body. […] Depending on the health of the immune system that helps fight disease, a person may or may not develop a wart after exposure to HPV. […] Most people have been exposed to many strains of non-genital HPV in their childhood. […] Some warts are resistant to treatment, and no treatment at this time kills the virus that causes common and plantar warts.

• #41 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #42 Warts (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/wart.html

  Warts are caused by an infection with a virus in the human papillomavirus (HPV) family. There are many types of HPV, which can affect different parts of the body. Sometimes warts are sexually transmitted and appear in the genital area. The HPV viruses that cause these are different from the viruses that cause warts on other parts of the body. […] HPV viruses that cause warts can pass from person to person through close physical contact or from touching something that a person with a wart touches, like a towel, bathmat, or a shower floor. […] Kids who bite their fingernails or pick at hangnails are at risk for warts because they create open areas for a virus to enter and cause a wart. A tiny cut or scratch can put any area of skin at risk for a wart. Also, picking at a wart can spread warts to other parts of the body. […] How long warts take to develop can vary. They can grow very slowly and may take weeks or months to develop after someone is exposed to the virus.

• #43 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #44 8 dermatologists’ tips for preventing warts

  https://www.aad.org/public/diseases/a-z/warts-heal

  Wirus, który powoduje brodawki, wirus brodawczaka ludzkiego (HPV), jest wszędzie. […] HPV jest zaraźliwy. Możliwe jest, że wirus dostanie się do twojego ciała przez skaleczenie lub zadrapanie, co może spowodować powstanie brodawki. […] HPV jest wszędzie. Zakrywanie skaleczeń i zadrapań może zmniejszyć szansę na dostanie się HPV i spowodowanie brodawki. […] Jeśli ktoś w twoim domu ma brodawkę, to pomaga zapobiec rozprzestrzenieniu się wirusa, który powoduje brodawki, z jednej osoby na drugą. […] Ponieważ HPV jest tak powszechny, to pomaga usunąć wirusa ze skóry. […] Kiedy skóra jest pęknięta i sucha, łatwiej jest, aby HPV dostał się przez pęknięcie w twojej skórze, co może spowodować brodawkę. […] Te otwarcia ułatwiają HPV dostanie się do twojego ciała. […] Kiedy ludzie często się pocą, ich skóra staje się wilgotna i miękka. Posiadanie wilgotnej, miękkiej skóry może zwiększyć ryzyko zakażenia HPV, co może prowadzić do powstania brodawki.

• #45 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #46 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #47 Viral Warts: Causes and Treatment | Doctor

  https://patient.info/doctor/viral-warts-excluding-verrucae

  Warts are caused by the human papillomavirus (HPV). […] Types 1, 2, 3, 4, 10, 27 and 57 are most often implicated in the aetiology of cutaneous warts. […] HPV infection is acquired from direct contact with an affected individual or from the environment (eg, from contaminated floors or surfaces). […] Trauma and wetness are contributory in contracting warts.

• #48 Warts: Symptoms, causes, treatments, and your questions answered.

  https://examine.com/conditions/warts/?srsltid=AfmBOooYE-EmCD0fKyoZSuNaTjdW87k-O_fSN200M2GTz7vLaPjBlo4w

  Warts are skin growths caused by viral infection. […] Warts are caused by human papilloma virus (HPV). Although there are more than 150 strains of HPV, only a limited number cause warts. […] HPV is spread through skin contact either from body part to body part in the same individual, or from contact with other infected individuals. […] Infections typically occur on areas of broken skin, where the skin barrier is compromised. […] Whether or not a wart will develop after exposure to HPV depends on the individual’s immune system, which may be able to fight off the HPV infection before a wart develops.

• #49 HPV Causes Warts | The Anchor Study

  https://anchorstudy.org/hpv-causes-warts

  Not only does HPV cause cervical and anal cancer, it’s also the cause of the common wart. Everyone is exposed to HPV but some people are more likely to get warts than others. […] There are more than 100 different strains, and each strains prefers to grow on different parts of the skin. For example, HPV 1, 2 and 4 grow on the hands (palmar warts) or the feet (plantar warts). Genital warts are caused by HPV 6 and 11. These strains of HPV that cause warts are distinct from the strains associated with cervical and anal cancer, which are called „oncogenic HPV.” […] Doctors arent sure why but they believe that certain individuals have immune systems that are more able to fight off the viruses and prevent warts from growing. […] For example, children get skin warts much more often than adults. This is probably because their immune systems have not yet built a strong defense against the numerous strains of human papillomavirus that they will encounter over their lifetimes. […] Also, just as some people are more likely to get poison ivy, the genetic makeups and immune systems of certain individuals make them more susceptible to the viruses that cause skin warts.

• #50 Common Warts: Symptoms, Causes & Treatments | Ada Health

  https://ada.com/conditions/common-warts/

  Common warts are caused by an infection with human papillomavirus (HPV). […] HPV infects the skin through small cuts, scrapes, or weak spots, with warts appearing approximately two to six months later. The virus causes the protein keratin to develop in excess on the surface of the skin, resulting in the appearance of a wart. […] Common warts are particularly prevalent in children and young adults, as well as people with weakened immune systems as a result of conditions such as HIV/AIDS, certain other severe and long-lasting medical conditions, receiving certain kinds of chemotherapy, or after procedures such as organ transplantation and the ensuing treatment. […] HPV is contagious and is passed on through direct skin-to-skin contact or indirect contact with objects or surfaces. Damaged or wet skin is most likely to pick up the virus, meaning locations such as swimming pools and showers, especially public ones, are particularly common sources of infection.

• #51 Warts: Pictures, Causes, Types, Removal, and Treatment

  https://www.webmd.com/skin-problems-and-treatments/ss/slideshow-warts

  These small, noncancerous growths appear when your skin is infected with one of the many viruses of the human papillomavirus (HPV) family. […] Because each person’s immune system responds differently to the virus, not everyone who comes in contact with HPV will get a wart. […] People with weakened immune systems — like those with HIV or who are taking biologic drugs for conditions like RA, psoriasis, and IBD — are also more susceptible to getting warts because their body may not be able to fight them off. […] Warts are highly contagious and are mainly passed by direct skin contact, such as when you pick at your warts and then touch another area of your body. […] Typically they show up where the skin was broken, perhaps from biting your fingernails. […] Some warts won’t ever go away. Doctors aren’t sure why some do and others don’t. […] But there’s no cure for HPV, so some of the virus might stay in your skin after the wart is gone and reappear later. […] Other types of HPV that could cause cancer may be passed sexually, too, including through oral and anal sex.

• #52 Viral Warts > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/viral-warts

  Patients who are immunocompromised (such as those taking medications that suppress the immune system) may also see warts develop, but in general, the condition largely affects children. […] Therefore, he says, one of the most common reasons for treatment failure is not completing the full therapy needed to eliminate the virus at the base of the wart.

• #53 Quick Facts:Warts – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/quick-facts-skin-disorders/viral-skin-infections/warts

  Warts are small skin growths caused by a virus called human papillomavirus (HPV). Warts are caused by a type of virus called HPV. There are more than 100 types of HPV. You can get a wart by touching another person’s wart, including by having sex with someone who has a wart on the penis, vagina, or rectum. […] Risk is also higher in people with a weakened immune system, such as those with HIV/AIDS or those who’ve had an organ transplant.

• #54 Warts (Verruca) Causes, Symptoms, and Treatments in Columbus, Ohio | Rixis Dermatology

  https://www.rixisdermatology.com/warts

  Warts are common skin growths that typically appear as small, rough, and hard bumps, matching the skin’s color. […] The human papillomavirus (HPV) is the culprit behind warts. Over 130 known HPV types exist, with specific strains prompting the skin cells to multiply rapidly and form warts. Strains like types 2, 3, 4, 27, 29, and 57 are particularly associated with warts. […] Transmission occurs through direct contact, including self-inoculation from scratching or picking. It’s noteworthy that warts might emerge up to a year after HPV exposure. […] Immunosuppressed individuals, such as those with HIV, organ transplant recipients, or those on immunosuppressive drugs, face a heightened risk.

• #55 Common Warts: Symptoms, Causes & Treatments | Ada Health

  https://ada.com/conditions/common-warts/

  Common warts are caused by an infection with human papillomavirus (HPV). […] HPV infects the skin through small cuts, scrapes, or weak spots, with warts appearing approximately two to six months later. The virus causes the protein keratin to develop in excess on the surface of the skin, resulting in the appearance of a wart. […] Common warts are particularly prevalent in children and young adults, as well as people with weakened immune systems as a result of conditions such as HIV/AIDS, certain other severe and long-lasting medical conditions, receiving certain kinds of chemotherapy, or after procedures such as organ transplantation and the ensuing treatment. […] HPV is contagious and is passed on through direct skin-to-skin contact or indirect contact with objects or surfaces. Damaged or wet skin is most likely to pick up the virus, meaning locations such as swimming pools and showers, especially public ones, are particularly common sources of infection.

• #56 Viral Warts > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/viral-warts

  Common warts, flat warts, and plantar warts are viral infections of the skin (most originating from the human papillomavirus or HPV family, but not the strains associated with cancer). […] Viruses like to infect through cuts in the skin, says Yale Medicine dermatologist Christopher Bunick, MD, PhD. […] Viral warts affect children and teens more than adults because their immune systems havent developed the antibodies to fight strains of HPV that cause warts. […] Skin-to-skin contact, or skin that comes in contact with things that have been touched by others, is often what spreads the virus. […] Though most people become immune to the viruses over time, usually by the end of the teenage years, some people may develop warts into adulthood, possibly because of certain genetic susceptibilities.

• #57 HPV Causes Warts | The Anchor Study

  https://anchorstudy.org/hpv-causes-warts

  Not only does HPV cause cervical and anal cancer, it’s also the cause of the common wart. Everyone is exposed to HPV but some people are more likely to get warts than others. […] There are more than 100 different strains, and each strains prefers to grow on different parts of the skin. For example, HPV 1, 2 and 4 grow on the hands (palmar warts) or the feet (plantar warts). Genital warts are caused by HPV 6 and 11. These strains of HPV that cause warts are distinct from the strains associated with cervical and anal cancer, which are called „oncogenic HPV.” […] Doctors arent sure why but they believe that certain individuals have immune systems that are more able to fight off the viruses and prevent warts from growing. […] For example, children get skin warts much more often than adults. This is probably because their immune systems have not yet built a strong defense against the numerous strains of human papillomavirus that they will encounter over their lifetimes. […] Also, just as some people are more likely to get poison ivy, the genetic makeups and immune systems of certain individuals make them more susceptible to the viruses that cause skin warts.

• #58 Wart Causes and Diagnoses | Northwestern Medicine

  https://www.nm.org/conditions-and-care-areas/dermatology/warts/causes-and-diagnoses

  The human papillomavirus (HPV) causes warts. There are many types of human papillomaviruses, which is why there are different types of warts. […] Warts are more common in children than adults, although they can develop at any age.

• #59 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #60 Common warts – Symptoms, Causes, Images, and Treatment Options

  https://www.epocrates.com/online/diseases/615/common-warts

  Common warts, also known as verrucae vulgaris, are caused by human papillomavirus infection and affect most people during their lifetimes. […] They are most common in children and young adults.

• #61 Warts (Nongenital) | AAFP

  https://www.aafp.org/pubs/afp/issues/2010/0415/p1008.html

  Warts are caused by the human papillomavirus (HPV), of which there are more than 100 types. HPV probably infects the skin via areas of minimal trauma. […] Warts are most common at sites of trauma, such as the hands and feet, and probably result from inoculation of virus into minimally damaged areas of epithelium. Warts on the feet can be acquired from walking barefoot in areas where other persons have walked barefoot. […] Warts on the hand are an occupational risk for butchers and meat handlers. One cross-sectional survey (1,086 persons) found that the prevalence of warts on the hand was 33 percent in slaughterhouse workers, 34 percent in retail butchers, 20 percent in engineering fitters, and 15 percent in office workers. Immunosuppression is another important risk factor. One observational study in immunosuppressed renal transplant recipients found that 90 percent had warts five years or later after transplantation.

• #62 Warts (Nongenital) | AAFP

  https://www.aafp.org/pubs/afp/issues/2010/0415/p1008.html

  Warts are caused by the human papillomavirus (HPV), of which there are more than 100 types. HPV probably infects the skin via areas of minimal trauma. […] Warts are most common at sites of trauma, such as the hands and feet, and probably result from inoculation of virus into minimally damaged areas of epithelium. Warts on the feet can be acquired from walking barefoot in areas where other persons have walked barefoot. […] Warts on the hand are an occupational risk for butchers and meat handlers. One cross-sectional survey (1,086 persons) found that the prevalence of warts on the hand was 33 percent in slaughterhouse workers, 34 percent in retail butchers, 20 percent in engineering fitters, and 15 percent in office workers. Immunosuppression is another important risk factor. One observational study in immunosuppressed renal transplant recipients found that 90 percent had warts five years or later after transplantation.

• #63 What Causes Warts?

  https://www.compoundw.com/blog/what-causes-warts

  Warts are caused by many different strains of the human papillomavirus (HPV). About 60% of HPV strains cause the common and plantar warts we find on our hands and feet. […] The virus enters the skin through scratches, cracks in the skin, or small wounds you may not even know are there. […] Once the virus enters the skin, it can cause a rapid growth of cells. These multiplying skin cells eventually emerge as a wart. […] Young children are typically more likely than adults to get warts because their immune system is still developing and because they are often in close contact with many other kids at school and in sports or recreational activities. […] Athletes, especially child and teen athletes, are also more at risk for warts because they usually share common shower areas, locker rooms, sports equipment and even towels sometimes. Their hands and feet are often in moist environments like gloves, mitts, socks and cleats where viruses thrive.

• #64 Viral Warts > Fact Sheets > Yale Medicine

  https://www.yalemedicine.org/conditions/viral-warts

  Common warts, flat warts, and plantar warts are viral infections of the skin (most originating from the human papillomavirus or HPV family, but not the strains associated with cancer). […] Viruses like to infect through cuts in the skin, says Yale Medicine dermatologist Christopher Bunick, MD, PhD. […] Viral warts affect children and teens more than adults because their immune systems havent developed the antibodies to fight strains of HPV that cause warts. […] Skin-to-skin contact, or skin that comes in contact with things that have been touched by others, is often what spreads the virus. […] Though most people become immune to the viruses over time, usually by the end of the teenage years, some people may develop warts into adulthood, possibly because of certain genetic susceptibilities.

• #65 What Causes Warts, and Will They Go Away on Their Own? | New Canaan PodiatryAccessibility ToolsIncrease TextDecrease TextGrayscaleHigh ContrastNegative ContrastLight BackgroundLinks UnderlineReadable FontReset

  https://newcanaanpodiatry.com/what-causes-warts-and-will-they-go-away-on-their-own/

  The idea that touching a frog can give you warts makes great fairy tales and folklore, but in reality, warts come from something much less slimy and much more prevalent — viruses. […] The wart-causing virus […] You likely stepped bare-footed onto a surface that had been contaminated by the human papillomavirus (HPV). […] A miniscule knick or cut in your skin is the only encouragement needed for HPV to dive in and get to work. […] Since the HPV virus is everywhere, but not everyone gets warts, the key lies in the strength of the immune system and its ability to resist HPV. […] Genetics play a role as well. If you have a family history of warts, you’re more likely to get them yourself.

• #66 HPV Causes Warts | The Anchor Study

  https://anchorstudy.org/hpv-causes-warts

  Not only does HPV cause cervical and anal cancer, it’s also the cause of the common wart. Everyone is exposed to HPV but some people are more likely to get warts than others. […] There are more than 100 different strains, and each strains prefers to grow on different parts of the skin. For example, HPV 1, 2 and 4 grow on the hands (palmar warts) or the feet (plantar warts). Genital warts are caused by HPV 6 and 11. These strains of HPV that cause warts are distinct from the strains associated with cervical and anal cancer, which are called „oncogenic HPV.” […] Doctors arent sure why but they believe that certain individuals have immune systems that are more able to fight off the viruses and prevent warts from growing. […] For example, children get skin warts much more often than adults. This is probably because their immune systems have not yet built a strong defense against the numerous strains of human papillomavirus that they will encounter over their lifetimes. […] Also, just as some people are more likely to get poison ivy, the genetic makeups and immune systems of certain individuals make them more susceptible to the viruses that cause skin warts.

• #67 Warts: Who gets and causes

  https://www.aad.org/public/diseases/a-z/warts-causes

  Anyone can get warts. Some people are more prone to getting a wart virus (HPV) than others. […] Viruses called human papillomavirus (HPV) cause warts. It is easier to catch a virus that causes warts when you have a cut or scrape on your skin. […] Warts can spread from person to person. You can get warts from touching a wart on someone’s body. Some people get a wart after touching something that another person’s wart touched, such as a towel.

• #68 Warts: Types, Images, Treatment, and More

  https://www.healthline.com/health/skin/warts

  Warts are raised bumps on your skin caused by the human papillomavirus (HPV). […] Common warts usually grow on the backs of your fingers and toes and on the knees. […] Common warts are often grayer than the surrounding skin. […] These warts are usually not serious or painful and can go away on their own. […] Signs and symptoms of common warts can include: small bumps that can be hard, rough, and grainy; flesh-colored bumps with small black spots of clotted blood vessels; ability to spread to other areas through direct contact. […] There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet.

• #69 Warts: Types, Images, Treatment, and More

  https://www.healthline.com/health/skin/warts

  Warts are raised bumps on your skin caused by the human papillomavirus (HPV). […] Common warts usually grow on the backs of your fingers and toes and on the knees. […] Common warts are often grayer than the surrounding skin. […] These warts are usually not serious or painful and can go away on their own. […] Signs and symptoms of common warts can include: small bumps that can be hard, rough, and grainy; flesh-colored bumps with small black spots of clotted blood vessels; ability to spread to other areas through direct contact. […] There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet.

• #70 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #71

  https://www.advanceddermsurgery.com/unmasking-warts-causes-treatment-prevention

  Warts are caused by the human papillomavirus (HPV), a highly contagious virus that enters the body through small cuts, breaks, or other vulnerable areas of the skin. Once infected, the virus prompts the rapid growth of cells on the outer layer of the skin, resulting in the development of warts. […] Common Warts (Verruca vulgaris): These warts are often found on the hands and fingers and have a rough, grainy appearance. Common warts may have black dots (tiny blood vessels) that give them a speckled appearance.

• #72 Warts: Types, Images, Treatment, and More

  https://www.healthline.com/health/skin/warts

  Warts are raised bumps on your skin caused by the human papillomavirus (HPV). […] Common warts usually grow on the backs of your fingers and toes and on the knees. […] Common warts are often grayer than the surrounding skin. […] These warts are usually not serious or painful and can go away on their own. […] Signs and symptoms of common warts can include: small bumps that can be hard, rough, and grainy; flesh-colored bumps with small black spots of clotted blood vessels; ability to spread to other areas through direct contact. […] There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet.

• #73 Warts: Types, Images, Treatment, and More

  https://www.healthline.com/health/skin/warts

  Warts are raised bumps on your skin caused by the human papillomavirus (HPV). […] Common warts usually grow on the backs of your fingers and toes and on the knees. […] Common warts are often grayer than the surrounding skin. […] These warts are usually not serious or painful and can go away on their own. […] Signs and symptoms of common warts can include: small bumps that can be hard, rough, and grainy; flesh-colored bumps with small black spots of clotted blood vessels; ability to spread to other areas through direct contact. […] There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet.

• #74 Warts: Types, Images, Treatment, and More

  https://www.healthline.com/health/skin/warts

  Warts are raised bumps on your skin caused by the human papillomavirus (HPV). […] Common warts usually grow on the backs of your fingers and toes and on the knees. […] Common warts are often grayer than the surrounding skin. […] These warts are usually not serious or painful and can go away on their own. […] Signs and symptoms of common warts can include: small bumps that can be hard, rough, and grainy; flesh-colored bumps with small black spots of clotted blood vessels; ability to spread to other areas through direct contact. […] There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet.

• #75 Common Warts Types, Causes, Symptoms, Contagious, Removal

  https://www.medicinenet.com/warts_common_warts/article.htm

  Warts are small skin growths that are usually harmless and that are caused by the human papillomavirus. […] Warts are small, self-limited benign tumors caused by one of over 100 types of human papillomaviruses (HPV). […] Warts are caused by infection with certain types of human papillomavirus (HPV). The virus causes the skin to produce excess keratin, making the site of the wart hard and rough. It affects the upper layer of the skin called the epidermis. […] Warts can appear and disappear without an identifiable cause and often disappear on their own without treatment. […] Since warts are caused by a virus, they may recur following attempts at surgical removal or any other type of therapy.

• #76 Common Warts Types, Causes, Symptoms, Contagious, Removal

  https://www.medicinenet.com/warts_common_warts/article.htm

  Warts are small skin growths that are usually harmless and that are caused by the human papillomavirus. […] Warts are small, self-limited benign tumors caused by one of over 100 types of human papillomaviruses (HPV). […] Warts are caused by infection with certain types of human papillomavirus (HPV). The virus causes the skin to produce excess keratin, making the site of the wart hard and rough. It affects the upper layer of the skin called the epidermis. […] Warts can appear and disappear without an identifiable cause and often disappear on their own without treatment. […] Since warts are caused by a virus, they may recur following attempts at surgical removal or any other type of therapy.

• #77 Ask a Dermatologist: How to Get Rid of Warts | Columbia, S.C.

  https://columbiaskinclinic.com/skin-care/warts-101/

  Warts are small skin growths that look like blisters and are caused by viral strains of human papillomavirus (HPV). […] When the virus enters the skin through cuts and other openings, extra cell growth triggers the outermost layer to harden and raise, resulting in a wart. […] Common places people encounter the virus are surfaces like doorknobs, keyboards and remote controls. […] Those with a healthy immune system can fight the virus that causes warts, but it may take up to a year or more for a wart to disappear naturally.

• #78 Warts on Hands: Causes & Treatment | The Hand Society

  https://www.assh.org/handcare/condition/warts-on-hands

  Warts are bumps on the skin and may feel rough to the touch. They appear in areas of skin that grow faster than normal due to a virus called human papilloma virus (HPV). […] There is no cure for the HPV virus. Most people will naturally fight off the virus from their body within 2-3 years of getting it. However, it can come back.

• #79 Warts on Hands: Causes & Treatment | The Hand Society

  https://www.assh.org/handcare/condition/warts-on-hands

  Warts are bumps on the skin and may feel rough to the touch. They appear in areas of skin that grow faster than normal due to a virus called human papilloma virus (HPV). […] There is no cure for the HPV virus. Most people will naturally fight off the virus from their body within 2-3 years of getting it. However, it can come back.

• #80 Warts: Pictures, Causes, Types, Removal, and Treatment

  https://www.webmd.com/skin-problems-and-treatments/ss/slideshow-warts

  These small, noncancerous growths appear when your skin is infected with one of the many viruses of the human papillomavirus (HPV) family. […] Because each person’s immune system responds differently to the virus, not everyone who comes in contact with HPV will get a wart. […] People with weakened immune systems — like those with HIV or who are taking biologic drugs for conditions like RA, psoriasis, and IBD — are also more susceptible to getting warts because their body may not be able to fight them off. […] Warts are highly contagious and are mainly passed by direct skin contact, such as when you pick at your warts and then touch another area of your body. […] Typically they show up where the skin was broken, perhaps from biting your fingernails. […] Some warts won’t ever go away. Doctors aren’t sure why some do and others don’t. […] But there’s no cure for HPV, so some of the virus might stay in your skin after the wart is gone and reappear later. […] Other types of HPV that could cause cancer may be passed sexually, too, including through oral and anal sex.

• #81 Warts: Medical Conditions: Health Answers: Student Health Center: Indiana University Bloomington

  https://healthcenter.indiana.edu/health-answers/medical-conditions/warts.html

  Warts are extra layers of skin caused by the human papilloma virus (HPV) family. […] There are more than 150 specific types of HPV; most of them cause the harmless but unsightly warts on other (non-genital) parts of the body. […] Depending on the health of the immune system that helps fight disease, a person may or may not develop a wart after exposure to HPV. […] Most people have been exposed to many strains of non-genital HPV in their childhood. […] Some warts are resistant to treatment, and no treatment at this time kills the virus that causes common and plantar warts.

• #82 Warts: 3 Types, Treatment, and Prevention

  https://www.webmd.com/skin-problems-and-treatments/warts

  Warts are fairly common. About 1 in 10 people get them at some point. […] There are different types of warts. All of them are caused by the human papillomavirus (HPV). […] Ten percent of people will develop a wart (verruca vulgaris) at some time in their lives. Warts are caused by the HPV virus, which is contagious. […] Common warts form rough bumps on your hands. […] This type of wart is usually caused by HPV types 2 or 4. […] Warts are caused by certain types of human papillomavirus (HPV).

• #83 Why Do Warts Appear? Understanding the Causes Of Warts and Prevention

  https://www.revitaliselondon.co.uk/why-do-warts-appear-understanding-the-causes-of-warts-and-prevention/

  The cause of warts is more common than you might think, as most people experience them at some point in their lives. […] Warts are caused mainly by human papillomavirus (HPV). The virus infects the top layer of the skin, causing it to produce too much keratin, resulting in a wart. […] An Disease occurs when HPV enters the body through tiny cuts, scratches, or breaks in the skin. The virus then gets in and starts triggering the skin cells to grow rapidly. […] Most people who get HPV don’t get warts. However, your risk of developing warts increases if you have a weakened immune system. […] Different HPV strains cause different warts. For example: HPV types 2 and 4 usually cause common warts, which appear on hands and fingers. […] The other common way warts can be spread is that the virus is capable of staying on surfaces for a short period and then coming in contact with you indirectly.

• #84 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #85 Warts | Better Health Channel

  https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/warts

  Warts are infections in the skin caused by the human papillomavirus (HPV). There are more than 100 types of HPV that are responsible for the many different types of warts, which include common warts, plantar warts, flat warts and genital warts. […] Common warts (verruca vulgaris) these look like hard, raised lumps with rough surfaces. […] Some estimates suggest that up to one in five children have warts, with children aged 12 to 16 years most commonly affected. […] Anyone can develop warts, but factors that increase the risk include: Injuries to the skin. Skin infections that break the skin surface. Frequently getting the hands wet. Hands or feet that sweat heavily (hyperhidrosis). Swimming in public swimming pools. Nail biting. Direct contact with other peoples warts. Scratching or shaving your own warts, which can spread the infection to other areas of your body. […] There are many different treatments for warts.

• #86 Genital Warts: Symptoms, Causes, Diagnosis, Treatment & More

  https://www.healthline.com/health/std/genital-warts

  About 90 percent of genital warts are caused by the low risk HPV types 6 and 11, according to the National Cancer Institute. […] The HPV virus is highly transmittable through skin-to-skin contact, which is why its considered an STI. […] In fact, HPV is so common that the CDC says most sexually active people get it at some point. […] However, the virus doesnt always lead to complications such as genital warts. […] Genital warts are usually caused by strains of HPV that differ from the strains that cause warts on your hands or other parts of the body.

• #87 Wart – Wikipedia

  https://en.wikipedia.org/wiki/Wart

  Warts are caused by the human papillomavirus (HPV). […] HPV infects the squamous epithelium, usually of the skin or genitals, but each HPV type is typically only able to infect a few specific areas of the body. […] Many HPV types can produce a benign growth, often called a „wart” or „papilloma”, in the area they infect. […] Common warts HPV types 2 and 4 (most common); also types 1, 3, 26, 29, and 57 and others. […] Plantar warts (verruca) HPV type 1 (most common); also types 2, 4, 27, 28, and others. […] Anogenital warts (condylomata acuminata or venereal warts) HPV types 6 and 11 (most common); also types 42, 44 and others. […] Warts have been described as far back as 400 BC by Hippocrates. […] In 1907 the physician Giuseppe Ciuffo was the first to demonstrate that warts were caused by a virus infection. […] In 1976 the virologist Harald zur Hausen was the first to discover that warts were caused by the human papillomavirus (HPV).

• #88 Everything You Need to Know About Warts: Causes, Treatment, and Removal Options

  https://www.pharmarun.africa/blog-posts/everything-you-need-to-know-about-warts-causes-treatment-and-removal-options

  Warts are common skin growths caused by a virus called human papillomavirus (HPV). […] HPV is the virus that causes all of these warts. […] Different types of HPV cause different kinds of warts, and some types can even lead to more serious health problems. […] Human papillomavirus (HPV) is a virus with many different types. Some of these types are responsible for causing warts on the skin, while others are linked to genital warts. […] There are low-risk types of HPV, such as HPV-1, HPV-2, and HPV-4, that usually cause common warts, plantar warts, and flat warts. […] HPV spreads easily through direct contact with infected skin or surfaces, and can be passed on by touching a wart or through sexual contact. […] While most HPV infections dont lead to serious health problems, certain high-risk strains can cause changes in the cells of the cervix, anus, throat, and other areas, potentially leading to cancer. […] The HPV vaccine is a powerful tool in preventing HPV infections, especially those linked to genital warts and cancers. […] Vaccination reduces the risk of genital warts and cervical cancer, playing a significant role in the fight against HPV-related diseases.

• #89 Wart – Wikipedia

  https://en.wikipedia.org/wiki/Wart

  Warts are caused by the human papillomavirus (HPV). […] HPV infects the squamous epithelium, usually of the skin or genitals, but each HPV type is typically only able to infect a few specific areas of the body. […] Many HPV types can produce a benign growth, often called a „wart” or „papilloma”, in the area they infect. […] Common warts HPV types 2 and 4 (most common); also types 1, 3, 26, 29, and 57 and others. […] Plantar warts (verruca) HPV type 1 (most common); also types 2, 4, 27, 28, and others. […] Anogenital warts (condylomata acuminata or venereal warts) HPV types 6 and 11 (most common); also types 42, 44 and others. […] Warts have been described as far back as 400 BC by Hippocrates. […] In 1907 the physician Giuseppe Ciuffo was the first to demonstrate that warts were caused by a virus infection. […] In 1976 the virologist Harald zur Hausen was the first to discover that warts were caused by the human papillomavirus (HPV).

• #90 Plantar Warts: Symptoms, Causes, Treatment & Removal

  https://my.clevelandclinic.org/health/diseases/24899-plantar-warts

  Plantar warts (verruca plantaris) are benign (not harmful) rough bumps that form on the soles of your feet. They develop when the human papillomavirus (HPV) enters a cut or break in your skin and causes an infection. […] HPV causes plantar warts. When HPV enters a cut or break in your skin, it causes a skin infection that forms a plantar wart. It may take two to six months after HPV exposure for plantar warts to appear. […] HPV types 1, 2, 3, 4, 27 and 57 cause plantar warts. Skin-to-skin sexual contact doesn’t spread these types of HPV, so they aren’t STDs.

• #91 Wart – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK431047/

  Warts are prevalent benign lesions caused by the human papillomavirus (HPV) that occur in the mucosa and skin. […] Warts are caused by the human papillomavirus (HPV), with over 100 types of HPV identified. HPV may occur at any site. […] There are over 100 subtypes of the HPV virus, but only a few types can cause skin warts at selective anatomical sites. […] HPV tends to cause genital warts, flat warts, and palmoplantar warts. […] Common warts are associated with HPV types 2, 4 (most common), followed by types 1, 3, 27, 29, and 57. […] Warts are easily transmitted by direct or indirect contact, especially if there is the disruption of the normal epithelial barrier. […] HPV usually only infects the epithelial layers of skin, and systemic dissemination is very rare. […] The virus is known to replicate in the upper level of the epithelium, but the virus particles also can be found in the basal layer.

• #92 Wart – Wikipedia

  https://en.wikipedia.org/wiki/Wart

  Warts are caused by the human papillomavirus (HPV). […] HPV infects the squamous epithelium, usually of the skin or genitals, but each HPV type is typically only able to infect a few specific areas of the body. […] Many HPV types can produce a benign growth, often called a „wart” or „papilloma”, in the area they infect. […] Common warts HPV types 2 and 4 (most common); also types 1, 3, 26, 29, and 57 and others. […] Plantar warts (verruca) HPV type 1 (most common); also types 2, 4, 27, 28, and others. […] Anogenital warts (condylomata acuminata or venereal warts) HPV types 6 and 11 (most common); also types 42, 44 and others. […] Warts have been described as far back as 400 BC by Hippocrates. […] In 1907 the physician Giuseppe Ciuffo was the first to demonstrate that warts were caused by a virus infection. […] In 1976 the virologist Harald zur Hausen was the first to discover that warts were caused by the human papillomavirus (HPV).

• #93 Genital warts

  https://www.nhs.uk/conditions/genital-warts/

  Genital warts are caused by the human papillomavirus (HPV). The virus can be passed on even when there are no visible warts. […] Many people with the virus do not have symptoms but can still pass it on. […] After you get the infection, it can take weeks to many months before symptoms appear. […] You can get genital warts from skin-to-skin contact, including vaginal and anal sex. […] The virus can also be passed to a baby from its mother during birth, but this is rare.

• #94 Warts: How To Identify, Causes, Types, Treatment & Prevention

  https://my.clevelandclinic.org/health/diseases/15045-warts

  Warts are skin growths that develop due to strains of the human papillomavirus (HPV). […] The human papillomavirus (HPV) causes warts. There are over 100 subtypes (strains) of HPV, but only a few types can cause warts on certain parts of your body. […] Certain strains of the human papillomavirus (HPV) cause warts. The virus can enter your skin through small cuts and cause extra cell growth. The outer layer of your skin turns thicker and harder, forming a wart. Warts are more likely to infect moist and soft skin or injured skin. […] All warts come from HPV, but not all forms of HPV cause warts. The type of HPV that can progress to cancer (like cervical cancer) doesn’t cause warts.

• #95 Warts Information | Mount Sinai – New York

  https://www.mountsinai.org/health-library/diseases-conditions/warts

  Warts are caused by a virus called human papillomavirus (HPV). There are more than 150 types of HPV viruses. […] All warts can spread from one part of your body to another. Warts can spread from person to person by contact, especially sexual contact. […] Infection with certain types of HPV can increase cancer risk, most commonly cervical cancer in women. This is most common with genital warts.

• #96 Common Warts Types, Causes, Symptoms, Contagious, Removal

  https://www.medicinenet.com/warts_common_warts/article.htm

  Warts are small skin growths that are usually harmless and that are caused by the human papillomavirus. […] Warts are small, self-limited benign tumors caused by one of over 100 types of human papillomaviruses (HPV). […] Warts are caused by infection with certain types of human papillomavirus (HPV). The virus causes the skin to produce excess keratin, making the site of the wart hard and rough. It affects the upper layer of the skin called the epidermis. […] Warts can appear and disappear without an identifiable cause and often disappear on their own without treatment. […] Since warts are caused by a virus, they may recur following attempts at surgical removal or any other type of therapy.

• #97 WARTS: TYPES, CAUSES, AND THE LATEST TREATMENTS | Mya Care

  https://myacare.com/blog/warts-types-causes-and-the-latest-treatments

  Warts are by-products of human papillomavirus (HPV), a highly infectious virus that is transmitted through direct contact with an infected person or object. […] All warts are caused by specific strains of HPV, of which there are over 100. […] A low immune system can make a person more susceptible to warts. […] Prolonged stress can contribute to warts by weakening the immune system. […] Currently, there is no single vitamin deficiency definitively proven to cause warts on hands. Some studies suggest there is a potential connection between lower vitamin B12 levels and an increased risk of contracting a wart. […] Warts are highly contagious when in direct contact with an infected person or object. […] Various treatment options for warts are available based on the type and location of the wart. […] In some cases, warts may come back after treatment. This is because the wart-causing virus may persist in the body even after the removal of the wart.

• #98 Warts: MedlinePlus Medical EncyclopediaLock

  https://medlineplus.gov/ency/article/000885.htm

  Warts are caused by a virus called human papillomavirus (HPV). There are more than 150 types of HPV viruses. […] All warts can spread from one part of your body to another. Warts can spread from person to person by contact, especially sexual contact.

• #99 Common Warts Types, Causes, Symptoms, Contagious, Removal

  https://www.medicinenet.com/warts_common_warts/article.htm

  Warts are small skin growths that are usually harmless and that are caused by the human papillomavirus. […] Warts are small, self-limited benign tumors caused by one of over 100 types of human papillomaviruses (HPV). […] Warts are caused by infection with certain types of human papillomavirus (HPV). The virus causes the skin to produce excess keratin, making the site of the wart hard and rough. It affects the upper layer of the skin called the epidermis. […] Warts can appear and disappear without an identifiable cause and often disappear on their own without treatment. […] Since warts are caused by a virus, they may recur following attempts at surgical removal or any other type of therapy.

• #100 WARTS: TYPES, CAUSES, AND THE LATEST TREATMENTS | Mya Care

  https://myacare.com/blog/warts-types-causes-and-the-latest-treatments

  Warts are by-products of human papillomavirus (HPV), a highly infectious virus that is transmitted through direct contact with an infected person or object. […] All warts are caused by specific strains of HPV, of which there are over 100. […] A low immune system can make a person more susceptible to warts. […] Prolonged stress can contribute to warts by weakening the immune system. […] Currently, there is no single vitamin deficiency definitively proven to cause warts on hands. Some studies suggest there is a potential connection between lower vitamin B12 levels and an increased risk of contracting a wart. […] Warts are highly contagious when in direct contact with an infected person or object. […] Various treatment options for warts are available based on the type and location of the wart. […] In some cases, warts may come back after treatment. This is because the wart-causing virus may persist in the body even after the removal of the wart.

• #101 What Causes Warts? A Dermatologist Explains

  https://mydoctor.kaiserpermanente.org/mas/news/what-causes-warts-a-dermatologist-explains-2486911

  Warts are triggered by a viral infection by human papilloma virus (HPV. The virus enters the skin through tiny cuts and infects the top layer of the skin, causing the top layer to grow quickly and a wart to form. […] Warts are contagious. They can spread through direct skin-to-skin contact, such as during intimacy and sexual contact. Warts can also spread through indirect contact, such as by sharing towels, in a locker room or in a public swimming pool. Warts can also spread to other places on your own body, called self-inoculation. […] People who are immunocompromised are at high risk of developing warts because they have a weakened immune response to fight off viruses. Children also are at high risk of developing warts because they tend to have cuts and scrapes on their skin where the virus can enter. […] Getting the HPV vaccine can help in the prevention of warts, particularly genital warts.

• #102 Everything You Need to Know About Warts: Causes, Treatment, and Removal Options

  https://www.pharmarun.africa/blog-posts/everything-you-need-to-know-about-warts-causes-treatment-and-removal-options

  Warts are common skin growths caused by a virus called human papillomavirus (HPV). […] HPV is the virus that causes all of these warts. […] Different types of HPV cause different kinds of warts, and some types can even lead to more serious health problems. […] Human papillomavirus (HPV) is a virus with many different types. Some of these types are responsible for causing warts on the skin, while others are linked to genital warts. […] There are low-risk types of HPV, such as HPV-1, HPV-2, and HPV-4, that usually cause common warts, plantar warts, and flat warts. […] HPV spreads easily through direct contact with infected skin or surfaces, and can be passed on by touching a wart or through sexual contact. […] While most HPV infections dont lead to serious health problems, certain high-risk strains can cause changes in the cells of the cervix, anus, throat, and other areas, potentially leading to cancer. […] The HPV vaccine is a powerful tool in preventing HPV infections, especially those linked to genital warts and cancers. […] Vaccination reduces the risk of genital warts and cervical cancer, playing a significant role in the fight against HPV-related diseases.

• #103 Warts – Harvard Health

  https://www.health.harvard.edu/a_to_z/warts-a-to-z

  Common warts have a rough surface and well-defined borders. They are round or irregular in shape and usually range from 2 millimeters to 10 millimeters wide (the size of a pencil eraser or smaller). […] The vaccine for HPV can prevent infection with the most common viral strains responsible for genital warts; by preventing these infections, the vaccine can also reduce the risk of cancers, including cervical, anal and penile cancers, that complicate chronic infection with these viruses.

• #104 Causes and Risk Factors of Warts

  https://www.health.com/condition/skin-conditions/what-causes-warts

  Warts, common raised bumps that are rarely painful or irritating, are skin infections caused by human papillomavirus (HPV). Many subtypes of HPV exist, but a limited number can result in various types of warts, from common warts to plantar warts. […] The main cause of warts is various subtypes of human papillomavirus, also known as HPV. The HPV subtype a person is exposed to will determine the type of warts they may have. […] Warts are contagious but not hereditary and are common among some populations, like children and teens or those with weakened immune systems. In addition, some risk factors for wart development are nail-biting or nail-picking behaviors or sharing contaminated items.

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