As measles cases in West Texas are still on the rise two months after the outbreak began, local public health officials say they expect the virus to keep spreading for at least several more months and that the official case number is likely an undercount.

The Texas measles outbreak intensified to 309 cases with 40 hospitalizations. HOUSTON — A measles outbreak in Texas has intensified, with the Texas Department of State Health Services now confirming 309 cases statewide since late January — up from 279 cases reported earlier this week.

There have been more measles cases in the US during the first three months of 2025, than in all of 2024, according the Centers for Disease Control and Prevention (CDC). As of Friday, there are 309 cases in Texas and one measles-related death in the state. In New Mexico, cases have risen to 42, with one measles-related death.