A child who was not vaccinated has died from measles in West Texas. It's the first death in an outbreak that began late last month and the first from measles in the U.S. since 2015.

The state's largest measles outbreak in 30 years has been largely tied to a Mennonite community in rural West Texas. Earlier this month, Lara Anton, a spokesperson for the Texas Department of State Health Services,

Health and Human Services Secretary Robert F. Kennedy Jr. on Wednesday described a recent measles outbreak in Texas as "not unusual."