Medically reviewed by Kate Colby, MPH People with asymptomatic or mild COVID illness generally test negative after nine days, but a polymerase chain reaction (PCR) test can still be positive for up to ...

Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly fine— ...

The recent outbreak of the omicron variant has many people running for store for an over-the-counter rapid test. But simply taking it once isn't enough to tell if you have contracted COVID-19 ...

Ordering PCR Tests The polymerase chain reaction (PCR) test remains the gold standard for diagnosing COVID-19. It is still available within statutory health insurance coverage.

While the at-home testing game plan hasn’t changed too much since rapid tests became available, there are a few differences to be aware of—like when to test, how to space out the ones you take ...

If you test negative for COVID, can you be contagious? It depends. Here's what to know about COVID testing in 2024, and what your COVID test results may mean.

Imagine being able to test for COVID-19 or other viruses using an app on a smartphone and getting the results within minutes.

If your COVID-19 rapid test turns positive, but the line is faint, unfortunately, it still means you have COVID-19. However, a re-test might be in your future.