"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TAKING A COVID-19 TEST is probably your first instinct when you wake up with a fever or sore throat or ...

As COVID-19 case numbers have been slowly rising across the United States, Americans are turning to at-home rapid antigen tests to suss out whether they are sick from a good-old fashioned cold, the ...

It was late on a Sunday night that my teenage son began complaining of symptoms that sounded like COVID -- headache, body aches, fever. By Monday morning, he was feeling much worse, so we gave him the ...

Many of us are hearing stories lately about friends, neighbors and family members testing positive for the COVID-19 virus, even though official case numbers are likely being undercounted. Health ...

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 ...

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 ...

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 ...

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

Medically reviewed by Kate Colby, MPH People with asymptomatic or mild COVID illness generally test negative after nine days, but a polymerase chain reaction (PCR) test can still be positive for up to ...

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 ...

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 ...