
Coronavirus disease 2019 (COVID-19) - Symptoms and causes
Most people with COVID-19 have mild to moderate symptoms. But COVID-19 can cause serious medical complications and lead to death. Older adults or people who already have medical conditions are at greater risk of serious illness. COVID-19 may be a mild, moderate, severe or critical illness. In broad terms, mild COVID-19 doesn't affect the ...
Coronavirus disease (COVID-19) - World Health Organization (WHO)
6 days ago · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment.
Long COVID: Lasting effects of COVID-19 - Mayo Clinic
Aug 23, 2024 · Long COVID symptoms may come and go or be constant. They also can start any time after you had COVID-19. But symptoms still need to be documented for at least three months in order for a health care professional to diagnose long COVID. Healthcare professionals may treat your symptoms or conditions before a long COVID-19 diagnosis.
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Aug 9, 2023 · if you develop symptoms or test positive for COVID-19, self-isolate until you recover. Vaccination against COVID-19 is based on priority groups such as people aged 60 years and over, and those with underlying medical problems such as high blood pressure, diabetes, chronic health problems, immunosuppression (including HIV), obesity, cancer ...
Coronavirus disease (COVID-19) - World Health Organization (WHO)
Mar 28, 2023 · COVID-19 is the disease caused by a coronavirus called SARS-CoV-2. WHO first learned of this new virus on 31 December 2019, following a report of a cluster of cases of so-called viral pneumonia in Wuhan, People’s Republic of China.
Unusual COVID-19 symptoms: What are they? - Mayo Clinic
Jun 13, 2024 · Symptoms of COVID-19, also known as coronavirus disease 2019, can vary widely. And over time, how often people have a COVID-19 symptom may change. Symptoms may depend on how the virus that causes COVID-19 changes, and on the people the virus infects. Many people with COVID-19 have no symptoms or mild illness.
COVID-19 symptoms and severity - World Health Organization …
Jul 19, 2021 · COVID-19: symptoms . Symptoms of COVID-19 can vary, but mild cases often experience fever, cough, and fatigue. Moderate cases may have difficulty breathing or mild pneumonia. While severe cases may have severe pneumonia, other organ failure & possible death. Anyone experiencing difficulty breathing should seek immediate medical attention.
COVID-19 epidemiological update – 24 December 2024
Dec 24, 2024 · Post-COVID-19 condition (PCC), called "long COVID" by some, continues to pose a significant burden on health systems, with an estimated 6% of symptomatic SARS-CoV-2 infections resulting in PCC symptoms. While severe COVID-19 is a significant risk factor for PCC, over 90% of PCC cases arise following mild COVID-19 due to the sheer volume of ...
COVID-19, cold, allergies and the flu: What are the differences?
Nov 27, 2024 · COVID-19 symptoms usually start 2 to 14 days after exposure to SARS-CoV-2. Flu symptoms usually appear about 1 to 4 days after exposure to an influenza virus. COVID-19 can cause more-serious illnesses in some people than can the flu. Also, COVID-19 can cause different complications from those of the flu.
Coronavirus disease 2019 (COVID-19) - Mayo Clinic
Here are some guidelines for when to take a COVID-19 test: If you have COVID-19 symptoms, test for the illness right away. If you were exposed to the COVID-19 virus but don't have symptoms, wait at least five days after exposure then test. If you have symptoms and tested positive for COVID-19 within the last 30 days, you can test again. But if ...