According to the Denver Department of Public Health, the person with measles has been in quarantine. Symptoms of measles ...

Colorado health officials said Wednesday that an infant too young to be vaccinated against measles has spread the disease to at least one of their household relatives.

WASHINGTON — Whooping cough cases are rising, and doctors are bracing for yet another tough year. There have been 8,485 cases ...

The Centers for Disease Control and Prevention reported 800 confirmed cases of measles in the U.S. as of Friday, making the announcement as the highly contagious illness has reached half of the ...