Response to multistate measles outbreak hampered by unique set of challenges

The US Centers for Disease Control and Prevention is on the ground in Texas for the second time this year, as an ongoing multistate measles outbreak centered in the western part of the state has grown to one of the worst the country has seen in decades.

​ The US Centers for Disease Control and Prevention is on the ground in Texas for the second time this year, as an ongoing multistate measles outbreak centered in the western part of the state has grown to one of the worst the country has seen in decades. Read More Breaking News, Latest News and Videos | CNN