Many scientists who usually have nothing to do with viruses or infectious disease are turning their attention to COVID-19. For example, one wildlife biologist is raising questions about the accuracy ...

Add Yahoo as a preferred source to see more of our stories on Google. A rapid COVID-19 test swab is processed. (Photo by Brittany Murray/MediaNews Group/Long Beach Press-Telegram via Getty Images) ...

Taso and Megan Stefanidis of Manalapan, New Jersey, developed symptoms of COVID-19 a few days after gathering with their families for Christmas. Other family members ended up testing positive for the ...

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 ...

In an FAQ document distributed to media earlier this month, in response to a question specifically about “the high likelihood of false positive tests from post-infection viral shedding,” organizers ...

The FDA urged clinical laboratories and healthcare providers to retest any patients who have recently received a positive result from two of Abbott’s PCR COVID-19 assays after identifying a heightened ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. The rate of false positive results from rapid antigen test screens for COVID-19 in the workplace ...

Viruses that cause measles and the common cold do not produce false-positive COVID-19 reverse transcriptase polymerase chain reaction (RT-PCR) tests, contrary to posts circulating widely online. A ...

Sunny Hostin and Ana Navarro were cleared to return to The View Monday after the co-hosts made a dramatic exit from the show on Friday. Both Hostin and Navarro, who are fully vaccinated against ...