Materiały źródłowe

• #1 Symptoms of COVID-19 | COVID-19 | CDC

  https://www.cdc.gov/covid/signs-symptoms/index.html

  People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. […] Symptoms may appear 2-14 days after exposure to the virus. […] Symptoms may start as mild, and some people will progress to more severe symptoms. […] Possible symptoms include: Fever or chills, Cough, Shortness of breath or difficulty breathing, Sore throat, Congestion or runny nose, New loss of taste or smell, Fatigue, Muscle or body aches, Headache, Nausea or vomiting, Diarrhea. […] Look for emergency warning signs for COVID 19: Trouble breathing, Persistent pain or pressure in the chest, New confusion, Inability to wake or stay awake, Depending on skin tone, lips, nail beds and skin may appear pale, gray, or blue.

• #2 COVID-19 symptoms: Timeline and progression

  https://www.medicalnewstoday.com/articles/progression-of-covid-19-symptoms

  Mild to moderate COVID-19 symptoms typically last for up to 2 weeks. The timeline for symptoms can vary, but they usually begin 2-14 days after contact with the virus. A person may experience cold- or flu-like symptoms. […] The type, severity, and progression of COVID-19 symptoms will determine how COVID-19 affects a person’s daily living. Some people may experience no symptoms at all, while others will require treatment in a hospital. […] COVID-19 symptoms typically occur 2-14 days after exposure to the virus, most commonly after 5-6 days. Most people will experience mild-to-moderate symptoms during this period. […] The first COVID-19 symptom to develop is likely to be fever, which is a temporary increase in body temperature. This differs from influenza, where the first symptom is typically a cough.

• #3

  https://www.who.int/health-topics/coronavirus

  Serious symptoms: difficulty breathing or shortness of breath, loss of speech or mobility, or confusion, chest pain. […] Seek immediate medical attention if you have serious symptoms. Always call before visiting your doctor or health facility. […] On average it takes 5 to 6 days from when someone is infected with the virus for symptoms to show, however it can take up to 14 days.

• #4 COVID-19: symptoms, treatment, prevention – Institut Pasteur

  https://www.pasteur.fr/en/medical-center/disease-sheets/covid-19-sars-cov-2-virus

  30 to 60% of people who carry the virus, especially young children, are asymptomatic. Others present mild, non-specific symptoms, including headache, fever, cough, diarrhea and fatigue. A sudden loss of smell and/or taste may occur in a number of infected individuals. […] COVID-19 may progress to severe respiratory distress, sometimes requiring hospitalization or treatment in intensive care. […] The most severe forms of the disease are mainly observed in elderly people and/or those with obesity, high blood pressure or diabetes. […] As well as the short-term effects, some symptoms chronic fatigue, neurological symptoms and breathing difficulties can last for several weeks or even months. This is known as long COVID.

• #5 COVID-19 – Wikipedia

  https://en.wikipedia.org/wiki/COVID-19

  At least a third of the people who are infected with the virus do not develop noticeable symptoms at any point in time. […] As is common with infections, there is a delay, or incubation period, between the moment a person first becomes infected and the appearance of the first symptoms. The median delay for COVID-19 is four to five days possibly being infectious on 14 of those days. Most symptomatic people experience symptoms within two to seven days after exposure, and almost all will experience at least one symptom within 12 days. […] Most people recover from the acute phase of the disease. However, some people continue to experience a range of effects, such as fatigue, for prolonged periods after an initial COVID-19 infection. This is the result of a condition called long COVID, which can be described as a range of persistent symptoms that continue for months or years. Long-term damage to organs has been observed after the onset of COVID-19. Multi-year studies are underway to further investigate the protracted effects of long COVID.

• #6 COVID-19 Signs and Symptoms | Snohomish County Health Department, WA

  https://www.snohd.org/543/COVID-19-Signs-and-Symptoms

  People with COVID-19 can have a wide range of symptoms. These symptoms can vary from mild to severe. Symptoms may appear within 2-14 days after exposure to the virus. If you experience any of the following symptoms we advise you to get tested. If symptoms worsen call a medical provider or 911. […] COVID-19 SYMPTOMS: Fever or chills, Cough, Shortness of breath or difficulty breathing, Fatigue, Muscle or body aches, Headache, New loss of taste or smell, Sore throat, Congestion or runny nose, Nausea or vomiting, Diarrhea. This list does not include all possible symptoms.

• #7 COVID-19 symptoms and what to do – NHS

  https://www.nhs.uk/conditions/covid-19/covid-19-symptoms-and-what-to-do/

  COVID-19 symptoms can include: a high temperature or shivering (chills) a high temperature means you feel hot to touch on your chest or back (you do not need to measure your temperature) […] a new, continuous cough this means coughing a lot for more than an hour, or 3 or more coughing episodes in 24 hours […] a loss or change to your sense of smell or taste […] shortness of breath […] feeling tired or exhausted […] an aching body […] a headache […] a sore throat […] a blocked or runny nose […] loss of appetite […] diarrhoea […] feeling sick or being sick. The symptoms are very similar to symptoms of other illnesses, such as colds and flu. Most people feel better within a few weeks, but it can take longer to recover. For some people, it can be a more serious illness and their symptoms can last longer.

• #8 Symptoms of COVID-19 | COVID-19 | CDC

  https://www.cdc.gov/covid/signs-symptoms/index.html

  People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. […] Symptoms may appear 2-14 days after exposure to the virus. […] Symptoms may start as mild, and some people will progress to more severe symptoms. […] Possible symptoms include: Fever or chills, Cough, Shortness of breath or difficulty breathing, Sore throat, Congestion or runny nose, New loss of taste or smell, Fatigue, Muscle or body aches, Headache, Nausea or vomiting, Diarrhea. […] Look for emergency warning signs for COVID 19: Trouble breathing, Persistent pain or pressure in the chest, New confusion, Inability to wake or stay awake, Depending on skin tone, lips, nail beds and skin may appear pale, gray, or blue.

• #9 About COVID-19 – MN Dept. of Health

  https://www.health.state.mn.us/diseases/coronavirus/basics.html

  Symptoms of COVID-19 can include fever, cough, shortness of breath, chills, headache, muscle pain, congestion or runny nose, sore throat, fatigue, or loss of taste or smell. Other less common symptoms include stomach symptoms like nausea, vomiting, or diarrhea. […] These symptoms may show up 2-14 days after you are around someone who has COVID-19. […] Not everyone with COVID-19 has all of these symptoms, and some people may not have any symptoms. […] Even after recovering from COVID-19, some people may have symptoms that continue for a long time such as fatigue, cough, or joint pain. […] Get tested if you have symptoms. Talk to your health care provider if you have questions or concerns about symptoms.

• #10 Frequently Asked Questions | Washington State Department of Health

  https://doh.wa.gov/emergencies/covid-19/frequently-asked-questions

  COVID-19 is a respiratory illness caused by the coronavirus SARS-CoV-2. […] Most people with COVID-19 will experience only a mild respiratory illness (or even no symptoms at all). However, some people can get very sick and require hospitalization or even die from COVID-19. Older people and people with chronic illnesses are more likely to get very sick from COVID-19. […] Symptoms may appear 2-14 days after exposure to the virus. Symptoms often appear sooner with Omicron subvariants, such as 3-4 days after exposure to the virus. Some people who have COVID-19 do not have symptoms. People with these symptoms or combinations of symptoms might have COVID-19: Cough, Shortness of breath or difficulty breathing, Fever, Chills, Muscle pain, Headache, Sore throat, Congestion or runny nose, New loss of taste or smell, Fatigue, Other less common symptoms include nausea, vomiting, or diarrhea. […] People with COVID-19 should isolate and talk with their healthcare provider to determine if they are eligible for treatment.

• #11 COVID-19 symptoms: Timeline and progression

  https://www.medicalnewstoday.com/articles/progression-of-covid-19-symptoms

  Fever is the most common symptom of COVID-19, occurring in around 78% of COVID-19 cases, according to a 2020 review of data from almost 25,000 adults. […] COVID-19 may then cause a cough, sore throat, body aches, and headaches. […] In severe cases, COVID-19 can require hospitalization. Some people will experience acute respiratory distress syndrome. This is where the lungs fail to provide the body with sufficient oxygen. […] The type and order of symptoms will vary from person to person. For example, some people will experience nausea, vomiting, or diarrhea before fever or coughing. Others will experience no symptoms at all. Symptoms may be more severe for some people. […] According to the Centers for Disease Control and Prevention (CDC), other COVID-19 symptoms could include chills, tiredness, loss of taste or smell, and nasal congestion.

• #12 Real-time tracking of self-reported symptoms to predict potential COVID-19 | Nature Medicine

  https://www.nature.com/articles/s41591-020-0916-2

  A total of 2,618,862 participants reported their potential symptoms of COVID-19 on a smartphone-based app. Among the 18,401 who had undergone a SARS-CoV-2 test, the proportion of participants who reported loss of smell and taste was higher in those with a positive test result (4,668 of 7,178 individuals; 65.03%) than in those with a negative test result (2,436 of 11,223 participants; 21.71%) (odds ratio=6.74; 95% confidence interval=6.317.21). […] Case reports and mainstream media articles from various countries indicate that a number of patients with diagnosed COVID-19 developed anosmia (loss of smell). […] We report that loss of smell and taste is a potential predictor of COVID-19 in addition to other, more established, symptoms including high temperature and a new, persistent cough. COVID-19 appears to cause problems of smell receptors in line with many other respiratory viruses, including previous coronaviruses thought to account for 1015% of cases of anosmia. […] We also identify a combination of symptoms, including anosmia, fatigue, persistent cough and loss of appetite, that together might identify individuals with COVID-19.

• #13 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  Patients should always be encouraged to seek medical consultation if experiencing worsening symptoms of concern. […] With the Omicron variant, loss or altered sense of smell is less prevalent than with the Delta variant, and sore throat and hoarse voice were significantly more prevalent. […] Those infected during the Omicron wave are less likely to experience at least one out of the three classic COVID-19 symptoms (fever, loss of smell, and persistent cough) compared with individuals infected during the Delta wave. […] Duration of acute symptoms for those with the Delta variant was longer than those with the Omicron variant (mean duration 9 days vs. 7 days). […] Regardless of the variant, the duration of symptoms is shorter for those who received three doses of vaccines (Delta mean duration 8 vs. Omicron duration 4 days).

• #14 Omicron Symptoms Day by Day | Ada Health – Ada Editorial

  https://ada.com/editorial/what-to-expect-with-omicron/

  Omicron has a shorter incubation period than earlier variants of the virus. That means symptoms show up more quickly after initial infection. For Omicron, the incubation period is 2-3 days. About 40% of people will not show any symptoms. […] Omicron’s day-by-day symptom timeline is also shorter than previous COVID-19 variants. In general, symptoms of Omicron last 6-7 days but may be present for longer. […] Omicron usually manifests as upper respiratory tract symptoms and often resembles a common cold. People who contract Omicron are also less likely to lose their sense of taste and smell. […] You should watch out for: Sore throat, Runny nose, New, persistent cough, High temperature, Muscle and body aches, Unexplained fatigue, Headaches. […] If you experience severe symptoms, always contact a healthcare professional for advice. If symptoms are mild, self-care at home should help relieve your symptoms.

• #15 Symptoms of COVID-19 | COVID-19 | CDC

  https://www.cdc.gov/covid/signs-symptoms/index.html

  People with COVID-19 have a wide range of symptoms ranging from mild symptoms to severe illness. […] Symptoms may appear 2-14 days after exposure to the virus. […] Symptoms may start as mild, and some people will progress to more severe symptoms. […] Possible symptoms include: Fever or chills, Cough, Shortness of breath or difficulty breathing, Sore throat, Congestion or runny nose, New loss of taste or smell, Fatigue, Muscle or body aches, Headache, Nausea or vomiting, Diarrhea. […] Look for emergency warning signs for COVID 19: Trouble breathing, Persistent pain or pressure in the chest, New confusion, Inability to wake or stay awake, Depending on skin tone, lips, nail beds and skin may appear pale, gray, or blue.

• #16 Symptoms | NC COVID-19

  https://covid19.ncdhhs.gov/about/symptoms

  COVID-19 most often causes respiratory symptoms that feel like a cold or flu, but it can also harm other parts of the body. Most people with COVID-19 have mild symptoms, but some people become very sick. Symptoms may appear 2-14 days after exposure to COVID-19. […] Possible symptoms include: Fever or chills, Cough, Shortness of breath or difficulty breathing, Fatigue, Muscle or body aches, Headache, New loss of taste or smell, Sore throat, Congestion or runny nose, Nausea or vomiting, Diarrhea. […] Some people with COVID-19 experience long-term effects, like shortness of breath, chest pain and brain fog. This is known as post-COVID conditions or long COVID. […] Seek emergency medical care immediately if you have any of these signs: Trouble breathing, Persistent pain or pressure in the chest, New confusion, Inability to wake or stay awake, Pale, gray, or blue-colored skin, lips, or nail beds, depending on skin tone.

• #17

  https://www.nj.gov/health/covid-19/information/symptoms/

  If you test positive and are at risk for severe illness (due to age or underlying health conditions), contact your health care provider for further guidance. Early medical intervention can help reduce the risk of severe complications. […] Some COVID-19 symptoms require immediate medical attention. Call 911 or go to the nearest emergency facility if you or someone you are with shows any of the following signs: Trouble breathing, Persistent pain or pressure in the chest, Inability to wake or stay awake, Prolonged confusion, Pale, gray, or blue-colored skin, lips, or nail beds, depending on skin tone.

• #18

  https://www.who.int/news-room/fact-sheets/detail/coronavirus-disease-(covid-19)

  COVID-19 is a disease caused by a virus. The most common symptoms are fever, chills, and sore throat, but there are a range of others. […] Most people will recover without treatment. […] People may experience different symptoms from COVID-19. Symptoms usually begin 5-6 days after exposure and last 1-14 days. […] The most common symptoms are: fever, chills, sore throat. […] Less common symptoms are: muscle aches and heavy arms or legs, severe fatigue or tiredness, runny or blocked nose, or sneezing, headache, sore eyes, dizziness, new and persistent cough, tight chest or chest pain, shortness of breath, hoarse voice, numbness or tingling, appetite loss, nausea, vomiting, abdominal pain or diarrhoea, loss or change of sense of taste or smell, difficulty sleeping. […] People with the following symptoms should seek immediate medical attention: difficulty breathing, especially at rest, or unable to speak in sentences, confusion, drowsiness or loss of consciousness, persistent pain or pressure in the chest, skin being cold or clammy, or turning pale or a bluish colour, loss of speech or movement.

• #19 COVID-19 – Wikipedia

  https://en.wikipedia.org/wiki/COVID-19

  The symptoms of COVID-19 can vary but often include fever, fatigue, cough, breathing difficulties, loss of smell, and loss of taste. Symptoms may begin one to fourteen days after exposure to the virus. At least a third of people who are infected do not develop noticeable symptoms. Of those who develop symptoms noticeable enough to be classified as patients, most (81%) develop mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging), and 5% develop critical symptoms (respiratory failure, shock, or multiorgan dysfunction). Older people have a higher risk of developing severe symptoms. Some complications result in death. Some people continue to experience a range of effects (long COVID) for months or years after infection, and damage to organs has been observed.

• #20 COVID-19 – Wikipedia

  https://en.wikipedia.org/wiki/COVID-19

  The symptoms of COVID-19 are variable depending on the type of variant contracted, ranging from mild symptoms to a potentially fatal illness. Common symptoms include coughing, fever, loss of smell (anosmia) and taste (ageusia), with less common ones including headaches, nasal congestion and runny nose, muscle pain, sore throat, diarrhea, eye irritation, and toes swelling or turning purple, and in moderate to severe cases, breathing difficulties. People with the COVID-19 infection may have different symptoms, and their symptoms may change over time. […] Of people who show symptoms, 81% develop only mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging) that require hospitalization, and 5% of patients develop critical symptoms (respiratory failure, septic shock, or multiorgan dysfunction) requiring ICU admission.

• #21 How COVID-19 Symptoms Day-by-Day Evolve | +MEDRITE

  https://medriteurgentcare.com/covid-19-symptoms-day-by-day/

  With the ongoing mutations and variations of COVID-19, it’s more important than ever to understand how the virus may affect us on a day-to-day basis. Rapid changes in symptoms can occur, and staying ahead means being able to recognize early signs and know when to act swiftly to seek medical intervention. […] Day 1: Onset of mild symptoms like low-grade fever or fatigue. […] Day 2: Increase in fatigue, onset of throat irritation. […] Day 3: Appearance of respiratory symptoms like dry cough and possible mild breathing difficulties. […] Day 4-5: Symptoms become more pronounced; fever, cough, and fatigue intensify. […] Day 6: Potential appearance of gastrointestinal symptoms like nausea or diarrhea. […] Day 7: Heightened symptoms which may include difficulty breathing and persistent chest pain.

• #22 How COVID-19 Symptoms Day-by-Day Evolve | +MEDRITE

  https://medriteurgentcare.com/covid-19-symptoms-day-by-day/

  Day 8-10: Symptoms may peak, including high fever and significant respiratory distress. […] Day 11-12: Plateau of symptoms; monitoring required for any signs of improvement or worsening. […] Day 13-14: Some individuals may begin to notice gradual improvement, especially if supportive care and treatment are effective. […] Day 15-17: Marked improvement in symptoms; gradual reduction in fever, cough, and breathing difficulties. […] Day 18-20: Continued recovery with significant reduction in symptoms, increased energy levels. […] Day 21: Most individuals may return to normal activities if symptoms have resolved, though fatigue may linger. […] Many begin to see improvements post the first week, yet it remains essential to monitor for any fluctuations in symptoms or persisting fatigue, which could linger and affect daily activities.

• #23 COVID Symptoms Day-By-Day – Breakdown of Day 1 to 14

  https://famurgentcare.com/blog/day-by-day-breakdown-of-covid-symptoms-day-1-to-14/

  On Day 1 and 2, you may experience mild symptoms such as fatigue, throat irritation, and low-grade fever. Some people also feel mild headaches and stuffy nose. […] By the third day, many people begin to clearly feel the effects of COVID-19. It’s common to experience a low to moderate fever, chills, and muscle aches, similar to what you might feel with the flu. […] At this stage, the symptoms may intensify for most people. You may experience more pronounced fatigue, dry cough, muscle ache and loss of taste or smell. […] This phase can vary from person to person. Some people start feeling better, whereas others may feel more intense symptoms. […] Some people may experience the following symptoms: high fever that persists or increases, significant respiratory distress, such as shortness of breath or difficulty breathing, persistent cough that may worsen, severe fatigue and muscle ache. […] Most people with mild to moderate symptoms start recovering around day 11, but fatigue or cough may linger. […] Some people may develop long COVID symptoms such as brain fog, breathlessness and severe fatigue. […] If your symptoms worsen, inform your healthcare provider immediately.

• #24 COVID-19 Recovery Period for New Variants: What to Expect

  https://assure-test.com/covid-19-recovery-period-for-new-variants-in-2025-what-to-expect/

  The average mild to moderate COVID-19 case resolves within 5 to 10 days, with most individuals experiencing symptom improvement by day 7. […] Severe cases may require 3 to 6 weeks of recovery, especially for those who develop complications such as pneumonia or require hospitalization. […] Post-COVID symptoms, commonly referred to as long COVID, may persist for weeks or months in some individuals. […] While the overall recovery timeline remains similar across SARS-CoV-2 variants, new mutations may impact symptom severity and duration. […] Symptoms may peak around day 4 or 5 before starting to improve. […] Fever and chills typically resolve by day 5. […] Loss of taste and smell (if present) may persist beyond initial recovery. […] Most individuals feel significantly better. […] A small percentage of individuals (especially those with preexisting conditions) may experience prolonged symptoms.

• #25 COVID-19 Recovery Period for New Variants: What to Expect

  https://assure-test.com/covid-19-recovery-period-for-new-variants-in-2025-what-to-expect/

  If symptoms persist or worsen, consult a healthcare provider. […] Vaccinated individuals generally recover faster with milder symptoms compared to those who are unvaccinated or have not received a recent booster. […] Individuals with weakened immune systems, lung disease, heart conditions, or diabetes may experience a longer recovery period and are more likely to develop complications. […] Some people continue experiencing symptoms weeks or months after the initial infection. […] Common long COVID symptoms include brain fog, fatigue, shortness of breath, and persistent cough. […] Most people recover from COVID-19 within 5 to 10 days, though symptom severity varies by individual and variant type. […] Long COVID remains a concern for some individuals, emphasizing the need for continued monitoring and medical follow-up when symptoms persist.

• #26 New Covid Variants: Symptoms May Show Up In This Order

  https://www.healthline.com/health-news/covid-19-symptoms-usually-show-up-in-this-order

  COVID-19 symptoms often start in a certain order. […] While influenza typically begins with a cough, the first symptom of COVID-19 is generally fever, though symptoms may vary. […] In general, COVID-19 symptoms may include upper respiratory tract symptoms such as fever, coughing, sneezing, and runny nose. […] If you display any of the above symptoms and test positive for COVID-19, you may have contracted one of the new subvariants and should self-isolate for at least 5 days, which is the current recommended period of isolation. […] A 2020 study from the University of Southern California (USC) shed light on how COVID-19 symptoms present, which may help individuals recognize whether their cough is just a cough or something worse. The researchers determined that COVID-19 symptoms often start in a certain order: fever, cough, sore throat, muscle pain, or headache, nausea or vomiting, diarrhea.

• #27 New Covid Variants: Symptoms May Show Up In This Order

  https://www.healthline.com/health-news/covid-19-symptoms-usually-show-up-in-this-order

  According to the study, while influenza typically begins with a cough or muscle pain, the first symptom of COVID-19 is fever. […] It’s critically important to understand the progression of symptoms of people with the COVID-19 infection so you stop the spread of the disease in effect, isolate and then initiate effective contact tracing. […] In Glatter’s experience treating patients with COVID-19 in New York City, symptoms associated with the virus may be more varied than the USC study suggests. […] In general, while fever is usually the most commonly described initial symptom of COVID-19 infection, the reality of what I see on the front lines is more variable. […] The onset of nausea, vomiting, and diarrhea after onset of respiratory symptoms such as fever and cough may also suggest that a person may have COVID-19. […] According to Glatter, healthcare professionals need to be vigilant and keep an open mind when evaluating patients who may have symptoms associated with COVID-19 particularly as new subvariants emerge.

• #28 Mapping a Detailed COVID-19 Symptoms Timeline

  https://www.michelsonmedicalresearch.org/news/mapping-a-detailed-covid-19-symptoms-timeline

  Thanks to a team of researchers at the USC Michelson Center for Convergent Bioscience, COVID-19s progression is being mapped. […] A USC Michelson Center research team analyzed data from more than 55,000 COVID-19 patients and compared the evolution of symptoms in those cases to symptom progression in influenza, SARS, and MERS. The researchers found that COVID-19 patients who develop symptoms are more likely to experience fever first, followed by cough and muscle pain. […] This specific COVID-19 symptom timeline helps doctors make accurate diagnoses and guide patients in when to seek medical care, reducing the spread of the disease. If patients with symptoms quickly underwent testing and contact tracing, these outbreaks could be contained, the authors wrote.

• #29

  https://www.who.int/health-topics/coronavirus

  Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention. Older people and those with underlying medical conditions like cardiovascular disease, diabetes, chronic respiratory disease, or cancer are more likely to develop serious illness. Anyone can get sick with COVID-19 and become seriously ill or die at any age. […] COVID-19 affects different people in different ways. Most infected people will develop mild to moderate illness and recover without hospitalization. […] Most common symptoms: fever, cough, tiredness, loss of taste or smell. […] Less common symptoms: sore throat, headache, aches and pains, diarrhoea, a rash on skin, or discolouration of fingers or toes, red or irritated eyes.

• #30 COVID-19 – Infections – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/infections/covid-19/covid-19

  COVID-19 is an acute respiratory illness that can be mild or severe and is caused by a coronavirus named SARS-CoV-2. […] Symptoms of COVID-19 vary significantly. […] Symptoms vary in people with COVID-19 and may include the following: Fever, Cough, Sore throat, Congestion or runny nose, Shortness of breath or difficulty breathing, Chills or repeated shaking with chills, New loss of smell or taste, Fatigue, Muscle pain, Headache, Nausea or vomiting, Diarrhea. […] If people develop symptoms, they usually appear about 2 to 10 days (incubation period) after being infected. For the Omicron variant, symptoms usually appear in only 2 to 4 days. Many infected people have no symptoms or have only mild disease. […] The risk of serious disease and death in people with COVID-19 increases with age, in people who smoke or previously smoked cigarettes, and in people with other serious medical disorders, such as cancer or chronic heart, lung, kidney, or liver disease, sickle cell disease, cystic fibrosis, diabetes, obesity, or immunocompromising disorders.

• #31 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  The true incidence of asymptomatic COVID-19 infection is unknown. […] The pre-Omicron incubation period for COVID-19 had been estimated to range from 2 to 14 days, with a median of 4-7 days from exposure to symptom onset. […] Omicron has been found to have an incubation period of a median of 2-4 days, and its associated viral loads have been reported to peak in saliva 1-2 days before positive results can be seen in PCR or rapid antigen tests. […] There is a spectrum of COVID-19 disease severity, ranging from asymptomatic, mild, moderate, to severe and critical disease. […] Severe disease occurs more often in older age and in those with underlying medical conditions, and the risk increases with the number of underlying medical conditions.

• #32 What’s The COVID Protocol Now? | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2024/12/covid-protocol-now

  One study found that COVID symptoms may appear in this order: fever, cough, sore throat/muscle pain/headache, nausea/vomiting, diarrhea. However, this doesnt mean your symptoms will appear in this order or that you will experience all of these symptoms, says Dr. Bet. The only way to truly know if your symptoms are caused by COVID is by taking a test. […] With vaccines and effective treatments, fewer people are hospitalized now than at the beginning of the pandemic. But as late as 2023, there have still been upticks in hospitalization and death. Those who are not vaccinated for COVID are more likely to be hospitalized and develop severe illness than those who are vaccinated for COVID. […] Anyone age 65+, along with those who have underlying health conditions such as diabetes, chronic heart, lung, liver, or kidney disease and/or are immunocompromised, are at increased risk for serious COVID infection, says Dr. Bet.

• #33 COVID-19 – Infections – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/infections/covid-19/covid-19

  For all age groups, risk of serious disease and death decreases in people who are vaccinated against COVID-19. […] In addition to respiratory disease that can be severe and lead to death, other serious complications include heart disorders including arrhythmias, heart muscle disorders, and acute heart injury, coagulation disorders including blood clots in small and large blood vessels as well as bleeding, and Guillain-Barr syndrome (rare). […] Some people with COVID-19 develop Long COVID. Long COVID is defined as a chronic condition that occurs after SARS-CoV-2 infection and is present for at least 3 months. Long COVID includes a wide range of symptoms or conditions that may improve, worsen, or be ongoing. Long COVID occurs more often in people who had severe COVID-19 illness, but anyone who gets COVID-19 can experience it, including children.

• #34 COVID-19 – Wikipedia

  https://en.wikipedia.org/wiki/COVID-19

  The symptoms of COVID-19 can vary but often include fever, fatigue, cough, breathing difficulties, loss of smell, and loss of taste. Symptoms may begin one to fourteen days after exposure to the virus. At least a third of people who are infected do not develop noticeable symptoms. Of those who develop symptoms noticeable enough to be classified as patients, most (81%) develop mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging), and 5% develop critical symptoms (respiratory failure, shock, or multiorgan dysfunction). Older people have a higher risk of developing severe symptoms. Some complications result in death. Some people continue to experience a range of effects (long COVID) for months or years after infection, and damage to organs has been observed.

• #35 COVID-19 – Wikipedia

  https://en.wikipedia.org/wiki/COVID-19

  The symptoms of COVID-19 are variable depending on the type of variant contracted, ranging from mild symptoms to a potentially fatal illness. Common symptoms include coughing, fever, loss of smell (anosmia) and taste (ageusia), with less common ones including headaches, nasal congestion and runny nose, muscle pain, sore throat, diarrhea, eye irritation, and toes swelling or turning purple, and in moderate to severe cases, breathing difficulties. People with the COVID-19 infection may have different symptoms, and their symptoms may change over time. […] Of people who show symptoms, 81% develop only mild to moderate symptoms (up to mild pneumonia), while 14% develop severe symptoms (dyspnea, hypoxia, or more than 50% lung involvement on imaging) that require hospitalization, and 5% of patients develop critical symptoms (respiratory failure, septic shock, or multiorgan dysfunction) requiring ICU admission.

• #36 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  COVID-19 includes clinical features that present in varying ways with respect to frequency and severity and vary by age, vaccination status and variants of concern. […] Symptoms that are absent at the onset of illness may develop over time with disease progression. […] During the Omicron wave that began in November 2021, those who have had at least 2 vaccinations reported milder symptoms; typical symptoms reported during the Omicron wave included runny nose, headache, sneezing, and sore throat. […] This response is different than the predominant symptoms earlier in the pandemic, which included fever, cough, chills and muscle pain. […] When fever occurred in Omicron cases, it was more frequently reported in unvaccinated than in vaccinated cases. […] With Omicron, clinical presumptive diagnosis should be considered with symptoms compatible with COVID-19 and a history of contact with known case(s).

• #37 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  Patients should always be encouraged to seek medical consultation if experiencing worsening symptoms of concern. […] With the Omicron variant, loss or altered sense of smell is less prevalent than with the Delta variant, and sore throat and hoarse voice were significantly more prevalent. […] Those infected during the Omicron wave are less likely to experience at least one out of the three classic COVID-19 symptoms (fever, loss of smell, and persistent cough) compared with individuals infected during the Delta wave. […] Duration of acute symptoms for those with the Delta variant was longer than those with the Omicron variant (mean duration 9 days vs. 7 days). […] Regardless of the variant, the duration of symptoms is shorter for those who received three doses of vaccines (Delta mean duration 8 vs. Omicron duration 4 days).

• #38 Uncovering symptoms of new COVID variants in 2025 | GoHealth Urgent Care

  https://www.gohealthuc.com/library/new-covid-variant-symptoms

  Similar to other seasonal viruses, the SARS-CoV02 virus that causes COVID-19 continues to mutate and spread, particularly during the colder winter months. This year, two primary strains are spreading globally as of early 2025, LP.8.1 and XEC. […] The new COVID variant symptoms remain relatively the same as the previous strains, as it remains mostly a respiratory illness. For many, symptoms may be less severe with these new variants due to pre-existing immunity from vaccines and previous infections. […] The new COVID-19 XEC variant symptoms are similar to those of previous strains, including: Congestion, Cough, Diarrhea, Fatigue, Fever and chills, Headaches, Loss of taste or smell, Muscle soreness and aches, Nausea, Shortness of breath, Sore throat, Vomiting. […] There is no indication that any new COVID-19 variants are causing different symptoms. The virus will continue to evolve, which is why the CDC continues to monitor symptom severity. At this time, the new variants appear less severe than previous strains.

• #39 JN.1 COVID-19 Variant: Recognize the Symptoms | Ada

  https://ada.com/covid/jn1-covid-variant-symptoms/

  JN.1 COVID-19 variant symptoms are quite similar to the symptoms of other strains of the coronavirus descending from Omicron. JN.1 COVID-19 variant symptoms are very similar to the symptoms of other variants of the coronavirus that descend from the Omicron lineage. Some of the most common JN.1 COVID-19 variant symptoms may include: Fever or chills, A dry, non-productive cough, Shortness of breath or difficulty breathing, Fatigue, Muscle or body aches, Headaches, Sore throat, Congestion or runny nose. The symptoms of the JN.1 COVID-19 variant generally appear between 2 to 14 days after exposure to the virus and can be mild to severe in nature. COVID-19 JN.1 symptoms can last anywhere from a few days to weeks. If your symptoms do seem to last longer, then it may be possible that you’re experiencing long COVID. JN.1 COVID-19 symptoms can resemble the symptoms of flu or allergies. Overall, JN.1 isn’t very likely to cause severe illness, but it’s highly transmissible and has certain mutations that allow it to evade our immune response. COVID-19 JN.1 symptoms are quite similar to the symptoms of other strains of Omicron. JN.1 symptoms mainly include headache, cough, sore throat, runny or congested nose, fatigue, muscle aches, and fever. The JN.1 COVID-19 variant is being monitored by the World Health Organisation, and it has been concluded that there’s a low risk of severe illness due to this variant.

• #40 3 Things to Know About XEC, the Dominant COVID Strain > News > Yale Medicine

  https://www.yalemedicine.org/news/3-things-to-know-about-xec-the-latest-covid-strain

  Experts predicted that a highly transmissible coronavirus subvariant called XECone that spread persistently throughout the country in 2024would become the dominant SARS-CoV-2 strain. […] The good news is that so far there is no evidence that XEC causes different symptoms or more severe disease than other recent strainsalthough a COVID infection is always a concern for certain people, including those who are older or immunocompromised. […] Another difference is that the XEC strain has at least one new mutation beyond those two strains in its spike protein, although how this might affect a person who is infected isnt clear at this point. But Omicron and its subvariants have generally caused milder disease than strains that surfaced early in the pandemic, such as Alpha and Deltaand the symptoms havent changed, Dr. Roberts says.

• #41 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  Patients should always be encouraged to seek medical consultation if experiencing worsening symptoms of concern. […] With the Omicron variant, loss or altered sense of smell is less prevalent than with the Delta variant, and sore throat and hoarse voice were significantly more prevalent. […] Those infected during the Omicron wave are less likely to experience at least one out of the three classic COVID-19 symptoms (fever, loss of smell, and persistent cough) compared with individuals infected during the Delta wave. […] Duration of acute symptoms for those with the Delta variant was longer than those with the Omicron variant (mean duration 9 days vs. 7 days). […] Regardless of the variant, the duration of symptoms is shorter for those who received three doses of vaccines (Delta mean duration 8 vs. Omicron duration 4 days).

• #42 COVID-19 Recovery Period for New Variants: What to Expect

  https://assure-test.com/covid-19-recovery-period-for-new-variants-in-2025-what-to-expect/

  If symptoms persist or worsen, consult a healthcare provider. […] Vaccinated individuals generally recover faster with milder symptoms compared to those who are unvaccinated or have not received a recent booster. […] Individuals with weakened immune systems, lung disease, heart conditions, or diabetes may experience a longer recovery period and are more likely to develop complications. […] Some people continue experiencing symptoms weeks or months after the initial infection. […] Common long COVID symptoms include brain fog, fatigue, shortness of breath, and persistent cough. […] Most people recover from COVID-19 within 5 to 10 days, though symptom severity varies by individual and variant type. […] Long COVID remains a concern for some individuals, emphasizing the need for continued monitoring and medical follow-up when symptoms persist.

• #43 Coronavirus Disease (COVID-19): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21214-coronavirus-covid-19

  COVID can cause mild to severe illness. Early treatment with antiviral medications can reduce your symptoms and your risk for severe illness. […] Symptoms of COVID include fever, sore throat, headache, fatigue, body aches, congestion, cough, shortness of breath and more. COVID symptoms can range from mild and cold-like to severe and life-threatening. […] COVID can cause serious complications, even if you dont feel very sick. These include pneumonia, acute respiratory distress syndrome (ARDS), blood clots, heart inflammation, cardiac arrest, multisystem inflammatory syndrome in children (MIS-C), and long COVID, a condition where pain, extreme fatigue and other symptoms last for months or years after a COVID infection. […] Many people recover from symptoms like congestion, sore throat and cough in about two weeks. But tiredness, shortness of breath and other symptoms can linger for weeks or even months afterwards. […] The outlook for COVID is different for everyone. Some people have only mild symptoms. Some get very sick and need to be hospitalized. Sometimes, your symptoms seem to get better and then get much worse. Always seek emergency medical attention for severe symptoms, no matter when they happen.

• #44 COVID-19 – Infections – Merck Manual Consumer Version

  https://www.merckmanuals.com/home/infections/covid-19/covid-19

  For all age groups, risk of serious disease and death decreases in people who are vaccinated against COVID-19. […] In addition to respiratory disease that can be severe and lead to death, other serious complications include heart disorders including arrhythmias, heart muscle disorders, and acute heart injury, coagulation disorders including blood clots in small and large blood vessels as well as bleeding, and Guillain-Barr syndrome (rare). […] Some people with COVID-19 develop Long COVID. Long COVID is defined as a chronic condition that occurs after SARS-CoV-2 infection and is present for at least 3 months. Long COVID includes a wide range of symptoms or conditions that may improve, worsen, or be ongoing. Long COVID occurs more often in people who had severe COVID-19 illness, but anyone who gets COVID-19 can experience it, including children.

• #45 Coronavirus Symptoms: Early Signs, Serious Symptoms

  https://www.webmd.com/covid/covid-19-symptoms

  You need immediate medical help if you have any of these issues: Trouble breathing, Constant pain or pressure in your chest, Bluish lips or face, Sudden confusion, Having trouble staying awake, Having a hard time waking up, Pale, gray, or bluish skin, lips, or nail beds. […] Strokes have also been reported in some people who have COVID-19. […] Less common problems that the virus can cause include: Pink eye, Swollen eyes, Fainting, Guillain-Barr syndrome, Coughing up blood, Blood clots, Seizures, Heart problems, Kidney damage, Liver problems or damage. […] Kids have many of the same COVID-19 symptoms as adults, but they tend to be milder. Some children may not have any symptoms, but can still spread the virus. Common coronavirus symptoms in children include: Fever, Cough, Shortness of breath.

• #46 Coronavirus (COVID-19): Symptoms, Transmission, Treatment and More

  https://www.healthline.com/health/coronavirus-covid-19

  Other possible complications include: secondary bacterial or fungal infections, post-COVID-19 syndrome (long COVID), which, in addition to physical symptoms, can cause long-term neurological symptoms like brain fog, and psychiatric symptoms, such as anxiety and depression. […] Typically, symptoms will appear within 5 to 6 days of exposure and can persist between 1 and 14 days. Those who develop long covid may experience long-term symptoms for weeks, months, and sometimes years.

• #47 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Some people continue to experience health problems long after having COVID-19. Understand the possible symptoms and risk factors for post-COVID-19 syndrome. […] After any coronavirus disease 2019 (COVID-19) illness, no matter how serious, some people report that symptoms stay for months. This lingering illness has often been called long COVID or post-COVID-19 syndrome. […] In research studies, more than 200 symptoms have been linked to long COVID. Symptoms may stay the same over time, get worse, or go away and come back. […] Common symptoms of long COVID include: Extreme tiredness, especially after activity. Problems with memory, often called brain fog. A feeling of being lightheaded or dizzy. Problems with taste or smell. […] Other symptoms of long COVID include: Sleep problems. Shortness of breath. Cough. Headache. Fast or irregular heartbeat. Digestion problems, such as loose stools, constipation or bloating.

• #48 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Some people with long COVID may have other illnesses. Diseases caused or made worse by long COVID include migraine, lung disease, autoimmune disease and chronic kidney disease. […] People can get long COVID symptoms after catching the COVID-19 virus even if they never had COVID-19 symptoms. Also, long COVID symptoms can show up weeks or months after a person seems to have recovered. […] Current research has found that long COVID is a chronic condition triggered by the virus that causes COVID-19. […] Researchers don’t know exactly how COVID-19 causes long-term illness, but they have some ideas. […] Because the virus that causes COVID-19 continues to change, researchers can’t say how many people have been affected by long COVID. Some researchers have estimated that 10% to 35% of people who have had COVID-19 went on to have long COVID.

• #49 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Some people with long COVID may have other illnesses. Diseases caused or made worse by long COVID include migraine, lung disease, autoimmune disease and chronic kidney disease. […] People can get long COVID symptoms after catching the COVID-19 virus even if they never had COVID-19 symptoms. Also, long COVID symptoms can show up weeks or months after a person seems to have recovered. […] Current research has found that long COVID is a chronic condition triggered by the virus that causes COVID-19. […] Researchers don’t know exactly how COVID-19 causes long-term illness, but they have some ideas. […] Because the virus that causes COVID-19 continues to change, researchers can’t say how many people have been affected by long COVID. Some researchers have estimated that 10% to 35% of people who have had COVID-19 went on to have long COVID.

• #50 Long-term effects of COVID-19 (long COVID) – NHS

  https://www.nhs.uk/conditions/covid-19/long-term-effects-of-covid-19-long-covid/

  Some symptoms can improve quickly and others last longer. […] The chances of having long-term symptoms does not seem to be linked to how ill you are when you first get COVID-19. […] People who had mild symptoms at first can still have long-term problems. […] Long COVID can cause breathlessness and a change in your usual breathing pattern. Breathing exercises can help to get your normal breathing pattern back. […] Some people with long COVID have difficulty concentrating, managing lots of information at once, or remembering things. This is sometimes called brain fog. […] Your heartbeat may feel different to normal when you’re recovering from an illness, but this should settle as you recover.

• #51 Long-term effects of COVID-19 (long COVID) – NHS

  https://www.nhs.uk/conditions/covid-19/long-term-effects-of-covid-19-long-covid/

  Most people with COVID-19 feel better within a few days or weeks of their first symptoms and make a full recovery within 12 weeks. […] For some people, symptoms can last longer. This is called long COVID or post COVID-19 syndrome. Long COVID is a new condition which is still being studied. […] The most common symptoms of long COVID are: extreme tiredness (fatigue), feeling short of breath, problems with your memory and concentration („brain fog”), heart palpitations, dizziness, joint pain and muscle aches. […] However, there are lots of symptoms you can have after a COVID-19 infection, including: loss of smell, chest pain or tightness, difficulty sleeping (insomnia), pins and needles, depression and anxiety, tinnitus, earaches, feeling sick, diarrhoea, stomach aches, loss of appetite, cough, headaches, sore throat, changes to sense of smell or taste, rashes.

• #52 Long COVID: Post-COVID Conditions, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/25111-long-covid

  Long COVID is a collection of symptoms that last three months or longer after your first COVID symptoms. It can steal your energy, your ability to think clearly, and your sense of smell or taste. You might feel anxious or depressed, get frequent headaches, be short of breath or have heart palpitations. Treatment depends on your specific symptoms. […] Long COVID is a collection of symptoms you might experience after your initial (acute) COVID symptoms get better. […] Long COVID isn’t one symptom or set of symptoms. It’s any medical condition linked to a COVID-19 infection that goes on for three months or longer after your first COVID symptoms. […] The two most common symptoms are fatigue (lack of energy) and shortness of breath. Other possible symptoms include: Loss of or altered sense of smell or taste (anosmia or dysgeusia). Trouble thinking or focusing brain fog. Chronic cough. Headaches. Difficulty sleeping or insomnia. Depression. Anxiety. Chest pain. Heart palpitations. Diarrhea.

• #53 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Some people continue to experience health problems long after having COVID-19. Understand the possible symptoms and risk factors for post-COVID-19 syndrome. […] After any coronavirus disease 2019 (COVID-19) illness, no matter how serious, some people report that symptoms stay for months. This lingering illness has often been called long COVID or post-COVID-19 syndrome. […] In research studies, more than 200 symptoms have been linked to long COVID. Symptoms may stay the same over time, get worse, or go away and come back. […] Common symptoms of long COVID include: Extreme tiredness, especially after activity. Problems with memory, often called brain fog. A feeling of being lightheaded or dizzy. Problems with taste or smell. […] Other symptoms of long COVID include: Sleep problems. Shortness of breath. Cough. Headache. Fast or irregular heartbeat. Digestion problems, such as loose stools, constipation or bloating.

• #54 Long COVID has unique symptoms, persistence not seen in flu, pneumonia, research suggests | CIDRAP

  https://www.cidrap.umn.edu/covid-19/long-covid-has-unique-symptoms-persistence-not-seen-flu-pneumonia-research-suggests

  Post-COVID symptoms, prevalence, and time to resolution are different from those seen after flu or pneumonia, better characterizing long COVID, University of Texas investigators say. […] The most common symptoms persisting beyond 4 weeks post-infection among COVID-19 patients were fatigue (25.4%), shortness of breath (24.7%), and joint pain (24.7%). […] We found differences in the prevalence of symptoms as well as different times to resolution better characterizing 'long COVID’ and identifying that this persistence of symptoms is unique to COVID-19. […] „We found that COVID-19 symptomology could not be perfectly described by previously seen influenza or pneumonia symptomology,” the study authors concluded. „We found differences in the prevalence of symptoms as well as different times to resolution better characterizing 'long COVID’ and identifying that this persistence of symptoms is unique to COVID-19.”

• #55 Long-term effects of COVID-19 (long COVID) – NHS

  https://www.nhs.uk/conditions/covid-19/long-term-effects-of-covid-19-long-covid/

  Most people with COVID-19 feel better within a few days or weeks of their first symptoms and make a full recovery within 12 weeks. […] For some people, symptoms can last longer. This is called long COVID or post COVID-19 syndrome. Long COVID is a new condition which is still being studied. […] The most common symptoms of long COVID are: extreme tiredness (fatigue), feeling short of breath, problems with your memory and concentration („brain fog”), heart palpitations, dizziness, joint pain and muscle aches. […] However, there are lots of symptoms you can have after a COVID-19 infection, including: loss of smell, chest pain or tightness, difficulty sleeping (insomnia), pins and needles, depression and anxiety, tinnitus, earaches, feeling sick, diarrhoea, stomach aches, loss of appetite, cough, headaches, sore throat, changes to sense of smell or taste, rashes.

• #56 New COVID variants and a rise in cases: The latest on symptoms and at-home tests

  https://health.ucdavis.edu/blog/cultivating-health/what-you-should-know-about-covid-symptoms-and-at-home-tests-with-new-variants/2023/09

  The list of symptoms for people with long COVID can vary. For some people, long COVID can last at least 12 weeks after symptoms first appeared. Here is a list of the most common long COVID symptoms: Difficulty breathing or shortness of breath, Cough, Tiredness or fatigue, Chest pain, Joint or muscle pain, Fast-beating heart (heart palpitations), Symptoms that get worse after physical or mental activities, Pins-and-needles feeling, Diarrhea, Change in taste and smell, Fever, Dizziness when standing up, Trouble sleeping, Rash, Mood changes, Headache, Changes in menstrual cycles, Brain fog, Depression and anxiety.

• #57 The risk of Long Covid symptoms: a systematic review and meta-analysis of controlled studies | Nature Communications

  https://www.nature.com/articles/s41467-025-59012-w

  The global evidence on the risk of symptoms of Long Covid in general populations infected with SARS-CoV-2 compared to uninfected comparator/control populations remains unknown. […] In all populations combined, there was an increased risk of a wide range of 39 out of 40 symptoms in those infected with SARSCoV2 compared to uninfected controls. The symptoms with the highest pooled relative risks were loss of smell (RR 4.31; 95% CI 2.66, 6.99), loss of taste (RR 3.71; 95% CI 2.22, 7.26), poor concentration (RR 2.68; 95% CI 1.66, 4.33), impaired memory (RR 2.53; 95% CI 1.82, 3.52), and hair loss/alopecia (RR 2.38; 95% CI 1.69, 3.33). […] A large systematic review of 194 global studies published in early 2023 reported that, at an average follow-up time of 4 months, 45% of COVID-19 survivors, regardless of hospitalisation status, experienced at least one unresolved symptom.

• #58 The risk of Long Covid symptoms: a systematic review and meta-analysis of controlled studies | Nature Communications

  https://www.nature.com/articles/s41467-025-59012-w

  The five symptoms with the highest pooled relative risks were loss of smell (RR 11.05; 95% CI 3.02, 40.48), loss of taste (RR 8.59; 95% CI 3.58, 20.60), chills/shivers (RR 7.44; 95% CI 2.14, 25.89), sore throat (RR 4.77; 95% CI 1.30, 17.50), and pain (RR 4.46; 95% CI 3.38, 5.87). […] The five symptoms with the highest pooled relative risks were poor concentration (RR 4.86; 95% CI 2.67, 8.85), loss of smell (RR 4.28; 95% CI 2.92, 6.28), hair loss/alopecia (RR 3.09; 95% CI 1.51, 6.33), impaired memory (RR 2.74; 95% CI 1.02, 7.39), and loss of taste (RR 2.22; 95% CI 1.56, 3.17). […] We report on the relative risk of Long COVID symptoms in a general population post-COVID-19 compared to uninfected controls using 50 studies including 14,661,595 people. This systematic review found that in all populations combined, there is an increased risk of up to 42 symptoms in those infected with SARSCoV2 compared to uninfected controls.

• #59 The risk of Long Covid symptoms: a systematic review and meta-analysis of controlled studies | Nature Communications

  https://www.nature.com/articles/s41467-025-59012-w

  The global evidence on the risk of symptoms of Long Covid in general populations infected with SARS-CoV-2 compared to uninfected comparator/control populations remains unknown. […] In all populations combined, there was an increased risk of a wide range of 39 out of 40 symptoms in those infected with SARSCoV2 compared to uninfected controls. The symptoms with the highest pooled relative risks were loss of smell (RR 4.31; 95% CI 2.66, 6.99), loss of taste (RR 3.71; 95% CI 2.22, 7.26), poor concentration (RR 2.68; 95% CI 1.66, 4.33), impaired memory (RR 2.53; 95% CI 1.82, 3.52), and hair loss/alopecia (RR 2.38; 95% CI 1.69, 3.33). […] A large systematic review of 194 global studies published in early 2023 reported that, at an average follow-up time of 4 months, 45% of COVID-19 survivors, regardless of hospitalisation status, experienced at least one unresolved symptom.

• #60 Long-term effects of COVID-19 (long COVID) – NHS

  https://www.nhs.uk/conditions/covid-19/long-term-effects-of-covid-19-long-covid/

  Some symptoms can improve quickly and others last longer. […] The chances of having long-term symptoms does not seem to be linked to how ill you are when you first get COVID-19. […] People who had mild symptoms at first can still have long-term problems. […] Long COVID can cause breathlessness and a change in your usual breathing pattern. Breathing exercises can help to get your normal breathing pattern back. […] Some people with long COVID have difficulty concentrating, managing lots of information at once, or remembering things. This is sometimes called brain fog. […] Your heartbeat may feel different to normal when you’re recovering from an illness, but this should settle as you recover.

• #61 Symptoms before and after COVID-19: a population and case-control study using prospective data – PubMed

  https://pubmed.ncbi.nlm.nih.gov/38575161/

  Some individuals experience prolonged illness after acute coronavirus disease 2019 (COVID-19). Individuals reporting baseline symptoms had longer COVID-related symptom duration (median 15 days versus 10 days for individuals without baseline symptoms) with baseline fatigue nearly doubling duration. Two-thirds (910 (67.4%) of 1350) of individuals with long illness were asymptomatic beforehand. However, 440 (32.6%) had baseline symptoms, versus 255 (18.9%) of 1350 individuals with short illness (p0.0001). Baseline symptoms doubled the odds ratio for long illness (2.14, 95% CI 1.78-2.57). In individuals with long illness, baseline symptomatic (versus asymptomatic) individuals were more likely to be female, younger, and have prior comorbidities; and baseline and post-acute symptoms, and symptom burden, correlated strongly. Individuals experiencing symptoms before COVID-19 had longer illness duration and increased odds of long illness. However, many individuals with long illness were well before SARS-CoV-2 infection.

• #62 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Risk factors for long COVID are just starting to be known. In general, most research finds that long COVID is diagnosed more often in females of any age than in males. […] Long COVID makes life more difficult for many people. To provide better options for care, research is going on to better understand this illness. […] The conditions linked as part of long COVID may get better over months or may last for years. […] Healthcare professionals treat long COVID based on the symptoms. For tiredness, your healthcare professional may suggest that you be active only as long as your symptoms stay stable. […] Treatment for other long COVID symptoms may be available so contact your healthcare professional for options.

• #63 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Risk factors for long COVID are just starting to be known. In general, most research finds that long COVID is diagnosed more often in females of any age than in males. […] Long COVID makes life more difficult for many people. To provide better options for care, research is going on to better understand this illness. […] The conditions linked as part of long COVID may get better over months or may last for years. […] Healthcare professionals treat long COVID based on the symptoms. For tiredness, your healthcare professional may suggest that you be active only as long as your symptoms stay stable. […] Treatment for other long COVID symptoms may be available so contact your healthcare professional for options.

• #64 Long COVID: Post-COVID Conditions, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/25111-long-covid

  Symptoms of long COVID may come and go or get better or worse over time. Many long-haulers do eventually get better, though how long that takes is different for each person. […] After COVID, many people feel tired or run down for several weeks. But for some people, fatigue and other symptoms last for months or longer. Most people with long COVID start to feel better within 12 to 18 months.

• #65 Long COVID: Post-COVID Conditions, Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/25111-long-covid

  Symptoms of long COVID may come and go or get better or worse over time. Many long-haulers do eventually get better, though how long that takes is different for each person. […] After COVID, many people feel tired or run down for several weeks. But for some people, fatigue and other symptoms last for months or longer. Most people with long COVID start to feel better within 12 to 18 months.

• #66 Long COVID: Lasting effects of COVID-19

  https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/coronavirus-long-term-effects/art-20490351

  Risk factors for long COVID are just starting to be known. In general, most research finds that long COVID is diagnosed more often in females of any age than in males. […] Long COVID makes life more difficult for many people. To provide better options for care, research is going on to better understand this illness. […] The conditions linked as part of long COVID may get better over months or may last for years. […] Healthcare professionals treat long COVID based on the symptoms. For tiredness, your healthcare professional may suggest that you be active only as long as your symptoms stay stable. […] Treatment for other long COVID symptoms may be available so contact your healthcare professional for options.

• #67 COVID-19: When You Are Sick – NYC Health

  https://www.nyc.gov/site/doh/covid/covid-19-whensick.page

  Got COVID-19 symptoms? Act Fast! Get tested. Get treatment. Get better. Treatment works best the sooner you start. […] Get tested if you have COVID-19 symptoms or if you were recently exposed to someone with COVID-19. […] Isolate right away if you have symptoms. Stay home until you have no fever for 24 hours without taking fever-reducing medicine and other COVID-19 symptoms are getting better. […] COVID-19 treatments can lower the amount of virus in your body, reduce symptoms and help you avoid hospitalization. Treatment works best when you start it soon after you become sick, so it is important to get tested right away if you have symptoms. […] You can leave isolation if you have no fever for 24 hours without taking fever-reducing medicine and other COVID-19 symptoms are getting better.

• #68 COVID-19 | Department of Health

  https://coronavirus.health.ny.gov/home

  If you have symptoms of COVID-19, test immediately. […] New Yorkers who test positive for COVID-19 and are at high risk of severe outcomes can seek treatments that help prevent severe disease, hospitalization, and death.

• #69

  https://www.nj.gov/health/covid-19/information/symptoms/

  COVID-19 is a highly contagious respiratory illness caused by the SARS-CoV-2 virus. While most cases are mild to moderate, certain individuals, particularly those who are older, have underlying health conditions, or a weakened immune system may experience severe symptoms. […] Even if you feel well, it’s essential to know that anyone infected with COVID-19 can spread it, even without showing symptoms. […] COVID-19 symptoms can vary widely, from mild to severe, and can appear 2-14 days after exposure to the virus. Common symptoms include: Fever or chills, Persistent cough, Difficulty breathing or shortness of breath, Fatigue, Muscle or body aches, Headache, New loss of taste or smell, Sore throat, Congestion or runny nose, Nausea or vomiting, Diarrhea. […] If you experience symptoms that could indicate COVID-19, stay home and away from others, including those in your household who are not sick. Staying away from others helps prevent spreading the virus.

• #70 What’s The COVID Protocol Now? | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2024/12/covid-protocol-now

  In the early days of the pandemic, it was recommended to isolate for 10 days after having a positive COVID test. And then a few years ago, the CDC changed its recommendation: you could come out of isolation five days after receiving a positive test and wear a mask for the additional five days. […] Now, however, the CDC says if you are fever free for 24 hours and your other symptoms are improving, you can come out of isolation. This means you could have a shorter or longer isolation period depending upon how your illness progresses. […] Its still recommended to take precautions even after you come out of isolation, though: wear a well-fitted mask, keep your distance from others and practice good hand hygiene. […] If you are in a high-risk group for COVID, its best to start an anti-viral treatment called Paxlovid as soon as you start experiencing symptoms, ideally within 48 to 72 hours. […] Paxlovid reduces the risk of hospitalization by more 50% and the risk of death by 75%. But it is essential to begin taking it as soon as you can – otherwise it will not be effective.

• #71 The Complete COVID-19 Timeline: Day-by-Day Symptoms

  https://carbonhealth.com/blog-post/the-complete-covid-19-timeline-day-by-day-symptoms?srsltid=AfmBOoqVUoi72UsTB_B4cr0GjcLNhj-QbX5TlE-3Gv6maJUuZcJYT2JC

  However, medical research has advanced, and now there are medications that the U.S. Food and Drug Administration has authorized to treat COVID-19. They are: Monoclonal antibody therapy (mAb) — however, most mAbs are now no longer effective due to Omicron mutations (some are still used), Oral antiviral therapies Paxlovid or molnupravir, IV Remdesivir, which is an IV antiviral medication. […] These treatments are best taken in the first days of symptom onset, and can prevent mild or moderate COVID-19 from becoming severe.

• #72 What’s The COVID Protocol Now? | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2024/12/covid-protocol-now

  In the early days of the pandemic, it was recommended to isolate for 10 days after having a positive COVID test. And then a few years ago, the CDC changed its recommendation: you could come out of isolation five days after receiving a positive test and wear a mask for the additional five days. […] Now, however, the CDC says if you are fever free for 24 hours and your other symptoms are improving, you can come out of isolation. This means you could have a shorter or longer isolation period depending upon how your illness progresses. […] Its still recommended to take precautions even after you come out of isolation, though: wear a well-fitted mask, keep your distance from others and practice good hand hygiene. […] If you are in a high-risk group for COVID, its best to start an anti-viral treatment called Paxlovid as soon as you start experiencing symptoms, ideally within 48 to 72 hours. […] Paxlovid reduces the risk of hospitalization by more 50% and the risk of death by 75%. But it is essential to begin taking it as soon as you can – otherwise it will not be effective.

• #73 How Long to Isolate With COVID-19, Plus the Latest Symptoms and Treatments

  https://www.everydayhealth.com/coronavirus/you-just-got-covid-now-what/

  Overall, people tend to have more mild symptoms if they have previously been infected, although this can vary; vaccination is the safest and most effective way to protect against more severe symptoms, she adds. […] People who get COVID-19 infections right now typically have symptoms for four or five days, Rutherford says. […] But this, too, can vary, Hyle notes. The best way to shorten the duration and severity of symptoms is to seek treatment promptly, Hyle adds. […] If you are at increased risk for severe illness with COVID-19, then it’s recommended to call your doctor as soon as you develop any symptoms or test positive, since Paxlovid might be recommended and is most effective when taken soon after symptom onset, Hyle says. Shortness of breath or chest pain should prompt emergency care in anyone.

• #74 Coronavirus Disease (COVID-19): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/21214-coronavirus-covid-19

  COVID can cause mild to severe illness. Early treatment with antiviral medications can reduce your symptoms and your risk for severe illness. […] Symptoms of COVID include fever, sore throat, headache, fatigue, body aches, congestion, cough, shortness of breath and more. COVID symptoms can range from mild and cold-like to severe and life-threatening. […] COVID can cause serious complications, even if you dont feel very sick. These include pneumonia, acute respiratory distress syndrome (ARDS), blood clots, heart inflammation, cardiac arrest, multisystem inflammatory syndrome in children (MIS-C), and long COVID, a condition where pain, extreme fatigue and other symptoms last for months or years after a COVID infection. […] Many people recover from symptoms like congestion, sore throat and cough in about two weeks. But tiredness, shortness of breath and other symptoms can linger for weeks or even months afterwards. […] The outlook for COVID is different for everyone. Some people have only mild symptoms. Some get very sick and need to be hospitalized. Sometimes, your symptoms seem to get better and then get much worse. Always seek emergency medical attention for severe symptoms, no matter when they happen.

• #75 What’s The COVID Protocol Now? | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2024/12/covid-protocol-now

  In the early days of the pandemic, it was recommended to isolate for 10 days after having a positive COVID test. And then a few years ago, the CDC changed its recommendation: you could come out of isolation five days after receiving a positive test and wear a mask for the additional five days. […] Now, however, the CDC says if you are fever free for 24 hours and your other symptoms are improving, you can come out of isolation. This means you could have a shorter or longer isolation period depending upon how your illness progresses. […] Its still recommended to take precautions even after you come out of isolation, though: wear a well-fitted mask, keep your distance from others and practice good hand hygiene. […] If you are in a high-risk group for COVID, its best to start an anti-viral treatment called Paxlovid as soon as you start experiencing symptoms, ideally within 48 to 72 hours. […] Paxlovid reduces the risk of hospitalization by more 50% and the risk of death by 75%. But it is essential to begin taking it as soon as you can – otherwise it will not be effective.

• #76 Coronavirus Recovery: Rate, Time, & Outlook

  https://www.webmd.com/covid/covid-recovery-overview

  Most people who get COVID-19, the disease caused by a coronavirus called SARS-CoV-2, will have only mild illness. But what exactly does that mean? […] COVID-19 lasts anywhere from a few days to a few weeks. Once symptoms (if you have them) clear up, it usually means that COVID-19 isn’t in your body anymore. Some people may develop long COVID a wide range of symptoms that last weeks, months, or years after COVID-19 illness. […] Not everyone who catches COVID will notice symptoms. If you do get them, they may show up 2-14 days after your infection. And those symptoms can vary from one person to the next. […] Symptoms may include: Fever (100.4 F or higher for adults) or chills, A dry cough (the kind that doesn’t bring up any mucus or phlegm) or a cough with mucus, Fatigue, Sore throat, Headache, Muscle and joint pain, Nausea, vomiting, or diarrhea, Chest tightness, Labored breathing, Shortness of breath, Loss of taste and/or sense of smell.

• #77 Coronavirus Recovery: Rate, Time, & Outlook

  https://www.webmd.com/covid/covid-recovery-overview

  Early research suggested that it could take two weeks for your body to get over a mild illness or up to six weeks for severe or critical cases. Recovery varies for different people, depending on things like your age and overall health. Fatigue, headache, and troubled breathing are the symptoms most likely to linger. […] You’ll know you’re getting better once your symptoms lessen or disappear altogether. […] Long COVID happens when a range of symptoms linger after recovery and affect your quality of life. Experts estimate that 17.6 million Americans have long COVID. You may notice symptoms like: Mild headaches, Overall feeling of being unwell, Fatigue, Trouble concentrating, Shortness of breath. […] COVID-19 symptoms (if you have them) typically start 2-14 days after infection and clear up within a few days or weeks. The severity and length of illness varies from person to person, and there’s no certainty about how long COVID-19 stays in your body. Staying hydrated, eating healthy, and resting will help you recover faster. Contact your doctor if your symptoms are severe or last longer than a few weeks.

• #78 COVID-19 Recovery Period for New Variants: What to Expect

  https://assure-test.com/covid-19-recovery-period-for-new-variants-in-2025-what-to-expect/

  The average mild to moderate COVID-19 case resolves within 5 to 10 days, with most individuals experiencing symptom improvement by day 7. […] Severe cases may require 3 to 6 weeks of recovery, especially for those who develop complications such as pneumonia or require hospitalization. […] Post-COVID symptoms, commonly referred to as long COVID, may persist for weeks or months in some individuals. […] While the overall recovery timeline remains similar across SARS-CoV-2 variants, new mutations may impact symptom severity and duration. […] Symptoms may peak around day 4 or 5 before starting to improve. […] Fever and chills typically resolve by day 5. […] Loss of taste and smell (if present) may persist beyond initial recovery. […] Most individuals feel significantly better. […] A small percentage of individuals (especially those with preexisting conditions) may experience prolonged symptoms.

• #79 How Long Does COVID-19 Last? Average Recovery Timeline

  https://www.verywellhealth.com/how-long-does-covid-last-8547620

  On average, a mild to moderate COVID-19 infection lasts for 10 days. However, how quickly you bounce back from a COVID-19 infection depends on various factors, including your health before the infection, any underlying conditions you may have, and which variant of the virus you have contracted. […] Mild to moderate illness from COVID-19 usually lasts an average of 10 days. For some people, symptoms fade in a matter of days; for others, it takes weeks. […] Even mild COVID-19 cases can progress to long COVID or post-COVID syndrome, in which ongoing symptoms remain long after the initial infection. A healthcare provider may diagnose you with long COVID if you’ve had unresolved symptoms for more than one month. […] Symptoms can continue for days to weeks if you have mild to moderate illness with a COVID-19 infection. Long COVID is a diagnosis that healthcare providers may consider when you have ongoing problems related to your COVID-19 infection for four weeks or more.

• #80 COVID-19 Recovery Period for New Variants: What to Expect

  https://assure-test.com/covid-19-recovery-period-for-new-variants-in-2025-what-to-expect/

  If symptoms persist or worsen, consult a healthcare provider. […] Vaccinated individuals generally recover faster with milder symptoms compared to those who are unvaccinated or have not received a recent booster. […] Individuals with weakened immune systems, lung disease, heart conditions, or diabetes may experience a longer recovery period and are more likely to develop complications. […] Some people continue experiencing symptoms weeks or months after the initial infection. […] Common long COVID symptoms include brain fog, fatigue, shortness of breath, and persistent cough. […] Most people recover from COVID-19 within 5 to 10 days, though symptom severity varies by individual and variant type. […] Long COVID remains a concern for some individuals, emphasizing the need for continued monitoring and medical follow-up when symptoms persist.

• #81 COVID-19 signs, symptoms and severity of disease: A clinician guide – Canada.ca

  https://www.canada.ca/en/public-health/services/diseases/2019-novel-coronavirus-infection/guidance-documents/signs-symptoms-severity.html

  Patients should always be encouraged to seek medical consultation if experiencing worsening symptoms of concern. […] With the Omicron variant, loss or altered sense of smell is less prevalent than with the Delta variant, and sore throat and hoarse voice were significantly more prevalent. […] Those infected during the Omicron wave are less likely to experience at least one out of the three classic COVID-19 symptoms (fever, loss of smell, and persistent cough) compared with individuals infected during the Delta wave. […] Duration of acute symptoms for those with the Delta variant was longer than those with the Omicron variant (mean duration 9 days vs. 7 days). […] Regardless of the variant, the duration of symptoms is shorter for those who received three doses of vaccines (Delta mean duration 8 vs. Omicron duration 4 days).

• #82 What’s The COVID Protocol Now? | Henry Ford Health – Detroit, MI

  https://www.henryford.com/blog/2024/12/covid-protocol-now

  In the early days of the pandemic, it was recommended to isolate for 10 days after having a positive COVID test. And then a few years ago, the CDC changed its recommendation: you could come out of isolation five days after receiving a positive test and wear a mask for the additional five days. […] Now, however, the CDC says if you are fever free for 24 hours and your other symptoms are improving, you can come out of isolation. This means you could have a shorter or longer isolation period depending upon how your illness progresses. […] Its still recommended to take precautions even after you come out of isolation, though: wear a well-fitted mask, keep your distance from others and practice good hand hygiene. […] If you are in a high-risk group for COVID, its best to start an anti-viral treatment called Paxlovid as soon as you start experiencing symptoms, ideally within 48 to 72 hours. […] Paxlovid reduces the risk of hospitalization by more 50% and the risk of death by 75%. But it is essential to begin taking it as soon as you can – otherwise it will not be effective.

• #83 The Complete COVID-19 Timeline: Day-by-Day Symptoms

  https://carbonhealth.com/blog-post/the-complete-covid-19-timeline-day-by-day-symptoms?srsltid=AfmBOoqVUoi72UsTB_B4cr0GjcLNhj-QbX5TlE-3Gv6maJUuZcJYT2JC

  It is during the incubation period and up to 10 days after being exposed that an infected person is most likely to transmit COVID-19 to those around them. As soon as you suspect that you might have COVID-19 or that you have been exposed, take necessary precautions to ensure that people around you stay healthy. […] If you develop symptoms, you should isolate yourself for five days from when your symptoms began. This means that if your symptoms began on Monday, that’s day zero. Tuesday is day one, and so on — and Saturday (day five) is your last day in isolation — if the following statements are true: Your symptoms are resolved or improving, You haven’t had a fever in the past 24 hours, You wear a well-fitting mask (an N95 is recommended) while around people for an additional 5 days (at least).

• #84 Coronavirus (COVID-19) | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/coronavirus-covid-19/coronavirus-covid-19/

  Symptoms of coronavirus include: high temperature, fever or chills, feeling generally unwell, continuous cough, loss of, or change in, your normal sense of taste or smell, shortness of breath, unexplained tiredness, lack of energy, muscle aches or pains that are not due to exercise, not wanting to eat or not feeling hungry, headache thats unusual or longer lasting than usual, sore throat, stuffy or runny nose, diarrhoea, feeling sick or being sick. […] You might continue to have a cough or feel tired after your other symptoms have improved. This does not mean that youre still infectious. […] If a child or young person aged 18 or under tests positive or has respiratory symptoms, they should stay at home. When they no longer have a fever (if they had one), and dont need medicine to control the fever, they can return to normal activities. Theres no specific time limit they need to avoid contact with others. You can use 48 hours as a rough guide. […] Very few children and young people with respiratory infections become seriously unwell.

• #85 COVID-19: When You Are Sick – NYC Health

  https://www.nyc.gov/site/doh/covid/covid-19-whensick.page

  Got COVID-19 symptoms? Act Fast! Get tested. Get treatment. Get better. Treatment works best the sooner you start. […] Get tested if you have COVID-19 symptoms or if you were recently exposed to someone with COVID-19. […] Isolate right away if you have symptoms. Stay home until you have no fever for 24 hours without taking fever-reducing medicine and other COVID-19 symptoms are getting better. […] COVID-19 treatments can lower the amount of virus in your body, reduce symptoms and help you avoid hospitalization. Treatment works best when you start it soon after you become sick, so it is important to get tested right away if you have symptoms. […] You can leave isolation if you have no fever for 24 hours without taking fever-reducing medicine and other COVID-19 symptoms are getting better.

• #86 Coronavirus (COVID-19) | NHS inform

  https://www.nhsinform.scot/illnesses-and-conditions/infections-and-poisoning/coronavirus-covid-19/coronavirus-covid-19/

  Symptoms of coronavirus include: high temperature, fever or chills, feeling generally unwell, continuous cough, loss of, or change in, your normal sense of taste or smell, shortness of breath, unexplained tiredness, lack of energy, muscle aches or pains that are not due to exercise, not wanting to eat or not feeling hungry, headache thats unusual or longer lasting than usual, sore throat, stuffy or runny nose, diarrhoea, feeling sick or being sick. […] You might continue to have a cough or feel tired after your other symptoms have improved. This does not mean that youre still infectious. […] If a child or young person aged 18 or under tests positive or has respiratory symptoms, they should stay at home. When they no longer have a fever (if they had one), and dont need medicine to control the fever, they can return to normal activities. Theres no specific time limit they need to avoid contact with others. You can use 48 hours as a rough guide. […] Very few children and young people with respiratory infections become seriously unwell.

• #87 Coronavirus Recovery: Rate, Time, & Outlook

  https://www.webmd.com/covid/covid-recovery-overview

  Early research suggested that it could take two weeks for your body to get over a mild illness or up to six weeks for severe or critical cases. Recovery varies for different people, depending on things like your age and overall health. Fatigue, headache, and troubled breathing are the symptoms most likely to linger. […] You’ll know you’re getting better once your symptoms lessen or disappear altogether. […] Long COVID happens when a range of symptoms linger after recovery and affect your quality of life. Experts estimate that 17.6 million Americans have long COVID. You may notice symptoms like: Mild headaches, Overall feeling of being unwell, Fatigue, Trouble concentrating, Shortness of breath. […] COVID-19 symptoms (if you have them) typically start 2-14 days after infection and clear up within a few days or weeks. The severity and length of illness varies from person to person, and there’s no certainty about how long COVID-19 stays in your body. Staying hydrated, eating healthy, and resting will help you recover faster. Contact your doctor if your symptoms are severe or last longer than a few weeks.

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