What are the different types of coronavirus tests? There are three broad categories of coronavirus tests in the U.S. Two diagnose whether you have an active infection, and a third indicates if you ...

There are three broad categories of coronavirus tests in the U.S. Two diagnose whether you have an active infection, and a third indicates if you previously had the virus. Most tests look for bits of ...

The Food and Drug Administration has authorized emergency use of the first antigen coronavirus test, which produces results within minutes and is relatively cheap to make, according to the agency. The ...