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 nine days, but it is more accurate for ...

Experts aren't quite sure what's in store for us this cold, flu and COVID season. But with a new flu variant beginning to spread in the U.S. and low COVID vaccination rates, this may be a more severe ...

A new study out of South Korea suggests that people who test positive for COVID-19 a second time may no longer be contagious. For the study, published Tuesday by South Korea's Centers for Disease ...

Can you catch COVID on top of COVID? A doctor explains why it is, unfortunately, a possible scenario and what you can do to ...