With COVID-19 cases on the rise again in the U.S., Americans are reviving a familiar precautionary measure: Screening for the virus using rapid at-home tests. Many people still have kits the ...

With COVID levels high across most of the country, some people may find themselves experiencing symptoms of COVID rebound in the coming weeks. “COVID rebound is a recurrence of COVID symptoms after ...

Don't automatically throw out that old COVID-19 at-home test you just came across in your medicine cabinet. It might still be good, according to the U.S. Food and Drug Administration. Some ...

Update: This program has ended and free tests are not current available from the government website. As cases of a new COVID-19 variant tick upward across the U.S., the federal government is again ...

The COVID-19 virus can persist in the blood and tissue of patients for more than a year after the acute phase of the illness has ended, according to new research from UC San Francisco that offers ...

A sweeping new definition of long COVID could help affected people get recognition of their condition and improve diagnosis and treatment. The U.S. National Academies of Sciences, Engineering and ...