Here's what to know about whooping cough amid the growing cases.

Kansas health officials confirmed five new cases of measles Wednesday in an outbreak in the southwest corner of the state that's linked to Texas and New Mexico.

The CDC is struggling to respond to the Texas measles outbreak. The U.S. has reported more than 700 cases in 25 states.

Vaccine critics have downplayed the role of measles in two Texas girls’ deaths, peddled unproven measles treatments and ...

Measles cases rose in the U.S. Public health officials noticed issues in the Trump administration's response. A letter to ...

Measles would normally be expected to have a fatality rate of about one to three deaths out of every 1,000 children infected, the CDC says, so the number of deaths this year suggests there may be far ...