Medically reviewed by Kate Colby, MPH 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 ...

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

At-home COVID-19 tests have become commonplace for many households, but knowing when exactly to take a rapid test — or when to throw old ones out — isn't always straightforward. Here's what health ...

Welcome to what some experts say is the country’s second largest COVID wave since the start of the pandemic. In the past few weeks, there’s been a striking increase in new cases, hospitalizations, and ...

Medical professionals can usually collect samples very quickly. However, people may have to wait for the results. While rapid tests take only around 15 minutes, slower tests may require an 8-hour wait ...

EVANSTON, Ill.--(BUSINESS WIRE)--Minute Molecular Diagnostics today announced that the U.S. Food and Drug Administration (FDA) granted an Emergency Use Authorization (EUA) for its rapid DASH ...

There are some rapid tests you might be able to take past the expiration date on the box. Here's what to know. NBC Universal, Inc. At-home COVID-19 tests have become commonplace for many households, ...