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Measles Cases Reach 1,277 in Largest U.S. Outbreak Since Elimination

Concentrated spread from an under-vaccinated pocket in West Texas into 38 states has exposed persistent vaccination gaps.

Overview

  • As of July 5, health data show 1,277 confirmed measles cases nationwide, the highest tally since the disease was declared eliminated in 2000.
  • The West Texas outbreak remains the epicenter with 753 cases in Gaines County and two child fatalities reported since January.
  • New Mexico recorded an adult measles death, bringing the U.S. death toll for 2025 to three.
  • At least 155 patients—about one in eight cases—have been hospitalized, and 92% of infections occurred in unvaccinated individuals.
  • Public health officials have rolled out early-dose MMR guidelines and mobile vaccination clinics after national coverage fell short of the 95% herd-immunity target for the fourth straight year.