A PCR test detects the actual genetic material of the virus and involves a step that amplifies the presence of any material ...

Many Americans have wrestled with this dilemma at some point during the pandemic, yet it still seems to come up again and again: When can you stop isolating after a COVID-19 infection? The question is ...

COVID cases are starting to creep up again in the U.S., and it’s understandable to have new questions about the virus and the newest CDC guidance on isolation after a positive test. After all, it’s ...

Some 50% of people who test positive for Covid-19 on a rapid test after five days of infection are likely no longer contagious, a Journal of the American Medical Association study released on ...

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 ...

A Facebook user claimed that Minute Maid Peach Punch tested positive for COVID-19 on a rapid test. The test appeared to display positive results, but that doesn’t mean the test detected the virus.

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

Dogs were more effective at detecting positive cases of Covid-19 through human sweat samples than nasal antigen tests, a PLOS ONE study conducted by researchers affiliated with the Assistance Publique ...