Here’s what to know about the outbreak after the first U.S. death since 2015 from the highly contagious—but preventable—respiratory disease.

A child hospitalized with measles in West Texas has died from the illness, marking the first death in a growing outbreak that began in the state last month and has infected more than 120 people. On Wednesday,

Health officials say a child who had not been vaccinated died of measles in West Texas — the first death in an outbreak that has infected more than 120 people​.