More than 600 measles cases have been confirmed in 20 states across the U.S. as of Friday, according to health officials, with much of the outbreak remaining centered in northwest Texas. There are 607 confirmed measles cases in the U.

The US has reported over 600 measles cases in 2025, doubling last year's total. Texas leads with 481 cases, as outbreaks spread in undervaccinated communities across several states, alarming health officials.

The Texas Department of State Health Services on Friday reported 59 new measles cases in three days, bringing the total to 481 in the state, while New Mexico's health department reported 54 infections,