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 is experiencing its largest measles outbreak in 30 years, primarily affecting the South Plains region. A child has died and several people have been hospitalized by the extremely contagious disease that was once considered eradicated,

The latest update comes two days after the first death was reported in a school-aged child who lived in the outbreak area.