Known for his anti-vaccination stance, the new US Secretary of Health is facing his first challenge: Curbing the mainly Texas ...

Arizona hasn't had a reported measles case so far this year, but red flags are leading some experts to worry we could see an ...

The number of measles cases associated with an outbreak in Texas has increased to 159 -- an increase of 13 cases in the past ...

Recent outbreaks of measles in the United States are driving up case counts and raising alarm among public health experts, especially as vaccination rates among children lag. The concern this ...