Measles has been spreading across the U.S. for the last several weeks, sickening people in at least nine states amid a growing outbreak in western Texas. Several people have been hospitalized and at least one unvaccinated school-aged child in Texas has died,

Measles are spreading and have already caused one death. Here's what you need to know according to the CDC and medical experts.

The majority of cases have been reported in Texas, but several other states are also reporting infections, including some in the Northeast. Here's what to know about the risk in M