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 ...

It's never a bad time to stock up.

Add Yahoo as a preferred source to see more of our stories on Google. Covid-19 at home Rapid Test Kit The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many ...

COVID-19 cases in Ohio are declining after a recent surge, but health officials warn we are not out of the woods. There were 10,239 cases in Ohio during the week ending Jan. 11, according to the state ...

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 ...