Here's what to know about the latest COVID strain - and how to tell if your at-home test is still good to use.

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

After exposure to COVID-19, most infections become detectable within 3–7 days. Testing too early can yield false negatives, ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means as coronavirus cases rise.

COVID-19 cases are on the rise at Yale five and a half years after the pandemic began, according to Yale Health.

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

Along with AJ Dillon, “We’ve got a couple of guys that we didn’t allow back into the building that had to get the rapid tests as well as the normal COVID test,” coach Matt LaFleur said. GREEN BAY, Wis ...

SAN JOSE, Calif. (KGO) -- Santa Clara County launched three more pop-up coronavirus testing sites as the county is expected to be added to the state watch list on Wednesday. At the pop-up testing site ...

The Premier League has announced that four more people have tested positive for the coronavirus after a third round of ...