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 ...

Medically reviewed by Jordana Haber Hazan, MD Key Takeaways PCR tests are very accurate and can find the virus even in people without symptoms.Rapid tests can be done at home and show results in ...

2025 update: This federal program has ended and free tests are not current available from the government website. Federal health officials have justified the millions they have spent on device ...

With the coronavirus making headlines all over the world, officials have stressed the importance of both antigen and antibody tests in getting a handle on the pandemic. Virtually unheard of just three ...

CHICAGO, Ill. -- Scientists are continuing to develop new COVID-19 testing methods. Everything from throat swabs and saliva tests to breathalyzers are potential options. The federal government has ...

You swabbed the inside of your nose and performed the at-home rapid antigen test for COVID-19 and thankfully, it was negative. Hold on. Do the test again, says the U.S. Food and Drug Administration, ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

PLATTSBURGH — The University of Vermont Health Network is altering its pre-procedure COVID-19 antigen testing according to new guidelines released by the New York State Department of Health (NYSDOH).

A health worker shows a negative COVID-19 antigen test result at a community medical center in Sao Paulo, Brazil, Friday, Jan. 7, 2022. (AP Photo/Andre Penner) (Andre ...

EMERYVILLE, Calif. (KGO) -- The convenience and reliability of at-home COVID tests are ushering in a new era of testing for other diseases. A Bay Area biotech firm is seeking approval for a self-test ...

Possible run-ins with COVID are becoming more common, as infections continue to spread across Illinois. If you find yourself fretting over being exposed, taking a test could determine what your next ...