Add Yahoo as a preferred source to see more of our stories on Google. If you're feeling sick, it can be frustrating to see a negative COVID test result. Some people say they only get an accurate COVID ...

With new COVID cases in Florida on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID-19 symptoms, such as fever, cough, ...

The Food and Drug Administration authorized the first over-the-counter test that can detect COVID-19, both strains of influenza, and respiratory syncytial virus using a single nasal swab. The test is ...

Severity of a COVID-19 illness could be determined by examining autoantibodies in the nasal cavity, allowing more personalized treatment protocols. Severe COVID-19 can be life-threatening for patients ...

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 ...