Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test ...

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 ...

PCR is a mainstay in diagnostics, but whether a sample is collected at a clinic or at home, such tests require sending a sample to a lab and then waiting for results. A new FDA authorized ...

People who test positive for Covid-19 with a lateral flow test no longer need to take a PCR test to confirm their coronavirus status. This change came after the rise of Omicron in December cases saw a ...