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,

Texas health officials announced the death of a child in a measles outbreak—the first measles death in the United States since 2015. The outbreak was first identified in early February in Gaines County,