Overview
- México totals 6,152 confirmed measles cases and 24 deaths as of the week 52, 2025 epidemiological report.
- Health authorities report 239 new cases in the south, including 235 in Chiapas, while Tabasco now counts four cumulative cases.
- Chihuahua remains the epicenter with 4,481 cases and 21 of the 24 deaths recorded nationally.
- Vaccination gaps persist, with 91.1% of confirmed cases lacking documented immunization, as Chiapas intensifies ring measures and has administered 255,379 doses since October 26.
- Recent surveillance notes 277 active cases and 102 hospitalizations in 2025, and regional data show Mexico led the Americas in measles cases last year.