Health authorities warned of further spread. Most U.S. measles cases this year involved people 19 and under and those without ...
An unvaccinated child died of measles in Texas on Tuesday, prompting concerns about low vaccination rates across the Inland Northwest.
Arizona is similarly at risk for measles because the state has several pockets of extremely low vaccination rates, including in Yavapai and Mohave counties, according to school vaccination data from ...