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5 hours ago · Singapore is experiencing a new Covid-19 outbreak with newer variants. Health experts state that the disease is not severe in most people. Recommendations for prevention include wearing masks ...
COVID-19, also called coronavirus disease 2019, is an illness caused by a virus. The virus is called severe acute respiratory syndrome coronavirus 2, or more commonly, SARS-CoV-2. It started spreading at the end of 2019 and became a pandemic disease in 2020.
The virus that causes COVID-19 spreads most commonly through the air in tiny droplets of fluid between people in close contact. Many people with COVID-19 have no symptoms or mild illness. But for older adults and people with certain medica...
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Typical COVID-19 symptoms often show up 2 to 14 days after contact with the virus.
Symptoms can include:
COVID-19 is caused by infection with the severe acute respiratory syndrome coronavirus 2, also called SARS-CoV-2.
The coronavirus spreads mainly from person to person, even from someone who is infected but has no symptoms. When people with COVID-19 cough, sneeze, breathe, sing or talk, their breath may be infected with the COVID-19 virus.
The coronavirus carried by a person's breath can land directly on the face of a nearby person, after a sneeze or cough, for example. The droplets or particles the infected person ...
Many people with COVID-19 recover with rest, plenty of fluids and care that manages symptoms. Medicine you can get without a prescription can help, such as:
If you are at high risk of serious COVID-19 illness, your healthcare professional may suggest medicine to prevent mild illness from getting worse. These medicines can include nirm...
The Centers for Disease Control and Prevention (CDC) recommends a COVID-19 vaccine for everyone age 6 months and older. The COVID-19 vaccine can lower the risk of death or serious illness caused by COVID-19.
The COVID-19 vaccines available in the United States are:
2023-2024 Pfizer-BioNTech COVID-19 vaccine. This vaccine is available for people age 6 months and older.
Among people with a typical immune system:
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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| Legionnaires' disease |
| Pneumothorax |
| Interstitial lung disease |
