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 ...

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 ...

New York Post may be compensated and/or receive an affiliate commission if you buy through our links. Featured pricing is subject to change. COVID-19 — it’s still a thing, which means it’s always a ...