Other states with active outbreaks include Colorado, Kansas, Montana, New Mexico, North Dakota, Oklahoma, Ohio, and Tennessee ...

The U.S. has seen four times as many measles cases this year compared to all of last year, nearing a 30-year high, according to CDC data.

Measles cases inched up slightly in the U.S. this past week, with a new county impacted in Texas and Colorado reporting a new ...

The number of measles cases in the U.S. this year is nearing a 30 year high. Frequent travel and declining vaccination rates ...