On the same day that the Centers for Disease Control and Prevention eased COVID-19 guidelines, the Food and Drug Administration issued a statement warning that at-home rapid antigen tests can deliver ...

University of Melbourne provides funding as a founding partner of The Conversation AU. You’ve been exposed to COVID and are starting to get symptoms. But after a couple of days of testing with rapid ...

It has been over three years since Covid-19 cases were first diagnosed in the United States. And while President Joe Biden announced last week that he intends to end the state of national emergency ...

For most people, having an at-home COVID test or two handy is just a normal part of life these days. But, if you happen to take a test and get a positive you weren’t expecting, it’s more than ...

PCR swab tests that look for viral RNA have become the gold standard for identifying infection with the SARS-CoV-2 virus, but their results aren't 100% accurate. Researchers report that testing for ...

At-home coronavirus screening has become a way of life for many Californians, but some medical experts are now cautioning that one test may not be enough to definitively determine whether someone is ...

BA.5 is causing most cases of COVID-19 right now. The newest subvariant of omicron is extremely contagious and it's resulting in more reinfections in people who've already been sick with COVID-19, ...

"We know that the incubation period for Covid-19 is up to 14 days. And before that, you can be testing negative, and have no symptoms," emergency medicine physician Dr. Leana Wen told CNN. "But you ...