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 ...

The Food and Drug Administration is warning the public about unauthorized test kits that may be marketed to test for COVID-19 at home. Coronavirus-related fraud is already so widespread, the ...

Results are detected within just a few minutes, the agency said. The Food and Drug Administration has granted emergency use authorization for a COVID-19 test that uses breath samples -- the first of ...

You may get a PCR test, which can show a positive result for up to three months after recovery. If you take a rapid antigen test, it may not detect COVID after nine days, but it is more accurate for ...

The Food and Drug Administration is warning the public about unauthorized test kits that may be marketed to test for COVID-19 at home. Coronavirus-related fraud is already so widespread, the ...