The vaccine committee voted Thursday to change recommendations for the combined measles, mumps, rubella and varicella vaccine ...

Public health advocates hoped that the measles outbreak might persuade the reluctant to get shots. That has not turned out to ...

A generation ago, infectious childhood diseases were nearly wiped out in the U.S., thanks to immunization programs. In the most comprehensive data investigation of its kind, we show how that ...

A monthslong NBC News data investigation finds that much of the U.S. doesn't have the protection needed to stop the spread of ...