Texas announced the first measles death in the U.S. in a decade last week amid an ongoing outbreak. Here's where measles has been recorded.

An unvaccinated New Mexico adult who tested positive for measles has died, the second death in a growing measles outbreak centered along the West Texas-New Mexico border, officials said Thursday. The individual did not seek medical care before death,

The CDC is responding to a growing measles outbreak, with nearly 160 cases reported since late January. Twenty-two people have been hospitalized. Gaines County in far west Texas has the most cases, with 107.