An unvaccinated child has died from measles in West Texas, officials said, marking the first fatality from the disease in the U.S. since 2015. The Texas Department of State Health Services (DSHS) confirmed the death on Wednesday but did not disclose the patient's age.

Four of the newly reported cases are located in Dallam County, 200 miles north of Gaines County where the outbreak originated.

A child hospitalized with measles in West Texas has died. It's the first death in an outbreak that began last month.