Overview
- National health data list 12,556 confirmed cases and 34 deaths, with transmission documented in 423 municipalities and Tamaulipas plus Campeche reporting no cases to date.
- The Health Sector reports 26,796,106 measles vaccine doses administered between January 2025 and March 6, 2026 under the national response.
- Mexico City confirms 497 infections, 44 hospitalizations and one infant death, as mobile posts and expanded guidance such as a “dosis cero” for 6–11 month-olds accelerate coverage.
- Jalisco deploys school brigades to review vaccination cards and give missing shots after surpassing 2.73 million doses, with officials noting a recent plateau and about 96% of cases in unvaccinated people.
- California health departments are tracing contacts after a potential exposure of up to 130 children linked to an unvaccinated child, with multiple county cases confirmed.