Add Yahoo as a preferred source to see more of our stories on Google. If you're feeling sick, it can be frustrating to see a negative COVID test result. Some people say they only get an accurate COVID ...

With a new variant on the rise, now's a good time to stock up.

Severity of a COVID-19 illness could be determined by examining autoantibodies in the nasal cavity, allowing more personalized treatment protocols. Severe COVID-19 can be life-threatening for patients ...

With a new variant on the rise, now's a good time to stock up.

Adding a throat swab specimen to a nasal specimen significantly increased sensitivity of COVID-19 rapid antigen tests, whether self-collected or collected by a healthcare worker, a randomized clinical ...

A 14-month program in Canadian long-term care facilities has found that floor swabs accurately detect a COVID-19 outbreak days before it is identified by staff members. Floor surfaces were sampled ...

The Commonwealth of Virginia will receive 60,000 nasopharyngeal swabs weekly to support high-priority COVID-19 testing across the state, thanks to a collaboration led by University of Virginia faculty ...

Anyone who has had a COVID-19 PCR test done knows the drill — a swab up the nose and then the tester pops the swab into a plastic bag and off it goes. That’s when the hard work begins of determining ...

The "highly mutated" variant could evade the latest COVID booster shot. What to know.

A heavily mutated COVID-19 variant called "Cicada" has caught the attention of public health experts, who warn that the ...