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 ...

NEW YORK -- Should you take your COVID tests by swabbing your throat instead of your nostril? ABC's Chief Medical Correspondent Dr. Jen Ashton says it really depends on the test. Dr. Ashton joined ...

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 ...

SAN FRANCISCO -- There has been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. The coronavirus makes some people sick, some ...

Add Yahoo as a preferred source to see more of our stories on Google. As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, ...

NEW YORK (WABC) -- Health experts are sounding the alarm about a so-called tripledemic as the flu, RSV and COVID are all threats as we head into the cold winter months full of holiday gatherings.