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 ...

If you’re sexually active, regular testing for sexually transmitted diseases (STDs) and infections (STIs) is crucial to protect your health and the health of your partners. While you can get tested at ...

You can't place orders for at-home COVID testing kits anymore, but there are still resources available for free testing. Peter is a writer and editor for the CNET How-To team. He has been covering ...