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 ...

With similar symptoms, it can be difficult to tell which illness is which. Here’s what to know. By Dani Blum Early clues suggest that this flu season could be particularly brutal. And while national ...