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— ...

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 ...

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 ...

With the latest XEC COVID variant making its rounds, it’s likely you or someone you know has had to take an at-home test recently. Thankfully tests are more available than they have been in months ...

The Food and Drug Administration on Wednesday authorized the first rapid coronavirus test that doesn’t need any special computer equipment to get results. The 15-minute test from Abbott Laboratories ...

SAN FRANCISCO, California -- United Airlines is set to become the first carrier in the U.S. to launch a COVID-19 testing program for travelers. The hope is to make it easier to manage requirements for ...