A vaccinated adult from Denver County got the first confirmed breakthrough case of measles, the state health department announced April 25.

How to talk about vaccines with parents — or anyone — is taking on new urgency: At least 216 U.S. children died of flu this ...

Some Denver parents got texts during this winter's brutal flu season with videos sharing why people in their neighborhoods ...

The latest measles update from the CDC reports a total of 935 confirmed cases — the vast majority of which are among patients ...

Dr. Hector Ocaranza knew El Paso would see measles the moment it began spreading in West Texas and eastern New Mexico.

Colorado on Friday reported its fifth incidence of measles this year, and, for the first time in the spate of cases, the infection was in a person who had been vaccinated against the disease.