It’s easy to sail through life, semi-ignoring the fact that you have a belly button. The reality is there’s usually no reason ...

UPMC Children’s Community Pediatrics is seeing an increase in cases of viral upper respiratory infections and strep throat.

A new COVID-19 variant called NB.1.8.1, aka "Nimbus," is spreading rapidly in the United States, CDC data show. What to know ...

The World Health Organization is monitoring a new mutation of the virus that’s already caused a surge in Asia.

As summer brings another rise in COVID-19 infections, patients across Asia, Europe and North America are reporting a searing sore throat so intense it has earned a dramatic nickname: “razor blade ...