Texas is driving the highest numbers. An outbreak in West Texas that started nearly three months ago has reached 597 cases.

Seminole, West Texas, is at the center of what is threatening to become America's largest measles outbreak in a ...

Public health experts are recommending that infants aged 6 to 11 months get an early dose of the Measles, Mumps and Rubella vaccination, also known as the MMR vaccine, in addition to the two shots ...