Vaccine teams in Mexico scramble over measles outbreak rippling out from Mennonite community
- Health authorities in Chihuahua, Mexico, are responding to the largest measles outbreak in decades, centered in the Mennonite community since March 2025.
- The outbreak was linked to an unvaccinated 8-year-old boy from the Mennonite community who traveled to see family in Seminole, Texas, a key area affected by the U.S. Outbreak.
- Low vaccination rates around 70% in the Mennonite community and 76% statewide, combined with widespread vaccine misinformation and distrust, have hindered containment efforts.
- Federal authorities have identified 922 measles infections and a single fatality in Chihuahua, while vaccination teams carry out door-to-door efforts that aim to increase immunization rates while respecting local community practices.
- The outbreak’s spread into Indigenous and other populations and limited vaccination uptake imply challenges remain to controlling measles in the region.
21 Articles
21 Articles

Vaccine teams in Mexico scramble over measles outbreak rippling out from Mennonite community
Vaccination teams are part of an effort by health authorities across Mexico to contain the country’s biggest measles outbreak in decades.
'These are needless deaths': Vaccine misinformation will lead to more
America’s ousted vaccine chief has told Sky News there will be more deaths from a growing measles outbreak unless the US government shifts its rhetoric on vaccination. “Ultimately, they’re not gonna be able to run from reality,” said Dr Peter Marks, former head of vaccines at the US Food and Drug Administration (FDA). Dr Marks also echoed concerns among public health experts that the federal administration’s stance on vaccinations and cuts to gl…


Vaccination teams in Mexico mobilize for a measles outbreak in a Mennonite community
In a broken-down white Nissan, nurse Sandra Aguirre and her vaccination team go through apple orchards and corn fields that extend to the desert horizon. Aguirre goes from house to house with a portable refrigerator with measles vaccines. In one of the largest Mennonite communities in Latin America, she knows that many will refuse to vaccinate themselves or even open the door to her. But some will ask questions, and a few may come to accept vacc…
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