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 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 ...

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 ...

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 ...

BERKELEY -- False-negative rapid COVID tests are on the rise. When Carl Berger got sick earlier this year, he figured he had COVID-19 because his wife had the virus. "I think I had a headache and I ...

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 ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...