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 ...

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 ...

NAAT tests, including PCR tests, are more likely to detect the virus, and are considered the “gold standard” for COVID-19 tests. Samples are usually taken in a health-care setting and sent to a lab ...

Our top picks for the best at-home COVID-19 tests include in-store and online options that are FDA-authorized for accurate results. Find the best option for your needs with our top recommendations.