A Texas child died of measles amid a growing outbreak of the infectious virus, the first reported US death from the disease in a decade.

The effectiveness of the vaccine, coupled with rising vaccination rates, led to such low rates of measles that it was declared eliminated in the U.S. in 2000. In recent years, though, the virus has made a resurgence, as childhood vaccination rates have dropped nationwide.

A measles outbreak in rural West Texas has claimed the life of an unvaccinated child, marking the first U.S. measles-related death since 2015.