Genetic, antigen, antibody? There's been a lot of talk about testing for the coronavirus, but you may not entirely understand what the different tests are for. We break them down here.

Antigen versus antibody testing for COVID-19: What you need to know The FDA has issued emergency authorizations to 12 antibody tests for the virus.

When should you test for COVID? What if you're positive? Here's an explainer The federal government recently resumed its program of shipping out free COVID tests to households, which means many ...

PCR and rapid antigen tests may show different results, even after fully recovering from COVID. You may test negative with a rapid antigen test, but a PCR test can still detect the virus.

A new COVID variant called XFG, or "Stratus" is spreading. Here's what you need to know about the incubation period, symptoms (including particular throat symptoms) and when to take a test.

It was possible -- albeit rare -- for people not infected with SARS-CoV-2 to have persistent false positive rapid antigen COVID-19 tests, longitudinal data showed. Among a large cohort of over ...

How to understand at-home rapid antigen tests, what to do if you test positive after five days, and how to test if you’re asymptomatic after a JN. 1 variant exposure.

If you have symptoms, two negative antigen tests will rule out COVID. On the other hand, if you don’t have symptoms, you’ll need three negative antigen tests to confirm you don’t have COVID.

Looking to save on COVID safety? Check out this great deal on a 5-Pack of iHealth COVID-19 Antigen Rapid Tests, available for 30% off today on Amazon.

As the virus evolves, do at-home COVID-19 antigen tests still work? Here's what to know about the accuracy of rapid COVID-19 tests.