Dr. Michael Reihart, with Penn State Health, also explained who's most at risk for severe illness and how effective this year's vaccine is.

Wash your hands, avoid sharing food, and wear a mask—there are many recommendations for staying healthy during cold and flu ...

Doctors say it’s not too late to get the vaccine to help prevent or lessen the severity of the flu, which has led to at least 310,000 hospitalizations and 13,000 ...