Most of us have taken a COVID test at home. The uncomfortable nasal swab, the anxious waiting as the red lines bleed into either positive or negative. And then finally, the result. The whole process ...

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 ...

Yes, the experts agree. If you performed the test correctly, a faint line on a COVID test is still a positive result. "Any line is a positive," Rhoads says. "That's not to say that it's easy to ...

NAAT tests, including PCR tests, are more likely to detect the virus, and are considered the “gold standard” for COVID-19 ...

The FDA has extended the shelf life for some COVID-19 tests. Now that allergy season is here, many are finding themselves with symptoms asking: Is it allergies or a cold? COVID? Something else? Since ...

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.

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

As we get into another winter holiday season, COVID is still part of our lives. And although it's hard to predict exactly what this year's cold, flu and coronavirus season will look like, experts want ...

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 11,000 ...

As more people begin testing positive for COVID once again, how long might symptoms last? Or if you have no symptoms, how long should you isolate? The timeline for COVID is dependent on a number of ...