Tennessee health officials have confirmed a measles outbreak, which brings the number of U.S. states with outbreaks to 10.

Illinois health officials reported the state’s first case of measles of the year Wednesday, though much of the measles cases ...

Preliminary data from the U.S. Centers of Disease Control and Prevention says the U.S. has seen 8,485 cases of whooping cough ...

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 ...

Whooping cough cases are more than double those seen at the same time last year, with 8,064 cases recorded nationwide so far ...