Texas health officials say the number of people with measles has increased to 146 in rural West Texas outbreak that led this week to the death of a school-aged child who was not vaccinated.

Texas authorities on Wednesday announced the first measles death in the state's outbreak of the highly contagious disease. The death, of a school-age child, is the first measles death in the U.S. since 2015,

Measles was considered to be eliminted in the U.S. in 2000, thanks to vaccine developments. But vaccination rates have dropped since the covid pandemic began.