The U.S. is up to 1,197 confirmed measles cases this year. Arizona declared a new outbreak last week, while the one in Texas, ...

Boulder County and the state of Colorado last Friday confirmed the first measles case in a county resident in more than a decade. The latest: A fully vaccinated adult became infected and was diagnosed ...

State lawmakers in New Mexico began reviewing their security plans on Monday following the assassination of a high-ranking ...

In Arizona, the Maricopa County Department of Public Health today said that a person infectious with measles traveled through Phoenix Sky Harbor Airport on June 10 and that the health department is ...