If you don't feel well, you may worry that you have COVID-19. The only way to know for sure is to take a test. At-home tests can tell whether you have the virus right now. More specialized antibody ...

Arizona’s governor announced Tuesday that more types of COVID-19 testing are coming to the state, but the types of testing will not mean widespread testing. In a press conference, Governor Doug Ducey ...

The best type of COVID-19 test to take depends on why you’re getting tested. Some tests are best for diagnosing current COVID-19 infections while others can identify past infections. Others are better ...