For at least 10 months after a COVID-19 infection, your immune system can provide good protection against symptomatic illness the next time around, a new study found, and the risk of severe illness is ...

NAAT tests, including PCR tests, are more likely to detect the virus, and are considered the “gold standard” for COVID-19 ...

Seattle’s Morning News recently checked in with virologist Dr. Keith Jerome, who has helped us understand COVID-19 and other viral illnesses since the start of the pandemic. This winter, it seems ...

A T-cell test developed by Adaptive Biotechnologies could become the first commercially available test of its kind, and it may be more effective at detecting past COVID-19 infections than antibody ...

COVID-19 tests used to be able to detect a positive case within the first 48 hours, but many results are now delayed until four days after symptoms appear, according to the LA Times. Elizabeth Hudson, ...

Share on Pinterest A healthcare professional tends to a person in the COVID-19 unit at United Memorial Medical Center in Houston, TX, on July 2, 2020. MARK FELIX/Getty Images A previous infection with ...

Statewide blood testing for COVID-19 has found that only 2% of Virginians had antibodies to the virus as of mid-August. The result has prompted the researchers to conclude that herd immunity in ...