Mexico’s current outbreak began in March. Officials traced it to an 8-year-old unvaccinated Mennonite boy who visited relatives in Seminole, Texas — at the center of the U.S. outbreak.

Quelling the spread of measles involves immunization campaigns and public health protocols, but Tina Meggison says it also ...

Mexico is battling its worst measles outbreak in decades, with cases surging in the northern border state of Chihuahua, home to a large Mennonite community wary of vaccines. As infections rise ...

In 2018, Mexico slapped a 10.3 million peso ($540,000) fine on a Mennonite community for clearing tropical vegetation in Quintana Roo state, also on the Yucatan Peninsula.

In the 1950s and 1960s, some Mennonites moved south, resettling in Mexico’s Campeche region, and also to Belize, Bolivia and Paraguay. In the 1970s, a few hundred resettled in West Texas.