Overview
- The United States has recorded 1,001 confirmed measles cases across 30 states in 2025, marking the largest outbreak since 2019.
- West Texas remains the epicenter, contributing 709 cases, including two child deaths; a third death, an unvaccinated adult, occurred in New Mexico.
- Children under 19 account for 68% of cases, with 96% of all infections involving individuals who are unvaccinated or of unknown vaccination status.
- The CDC reports 93% of cases are linked to 14 outbreaks, with the largest cluster centered in a low-vaccination Mennonite community in Gaines County, Texas.
- Public health responses are hampered by declining vaccination rates, misinformation, and resource constraints, with vaccination campaigns intensifying to contain the spread.