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.

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.

Jetelina recommended waiting 24 hours after symptoms develop before you use an antigen test. How should you use an antigen test if you know you have COVID?

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Here are the differences.

Molecular tests detect and amplify the genetic material of cells, specifically DNA or RNA. These tests can help doctors identify potential diseases. Learn more here.

What is prostate-specific antigen testing? Prostate-specific antigen testing serves as a cornerstone in the early detection of prostate cancer.

The SARS-CoV-2 rapid antigen test is safe for people with diabetes who may be concerned about COVID-19.

Experts share their advice about isolation, masking and more if you're still testing positive for 10 days or more into a COVID-19 infection.

At-home rapid tests for COVID-19 are more convenient. But experts say there are still times when a PCR test is useful.