The Mennonite population being affected by a measles outbreak in West Texas is part of a larger, loosely affiliated group of churches worldwide with varied beliefs and leadership structures — and with sometimes strained or distant relations with health officials and other public authorities.

After Mennonites in Gaines County were singled out in discourse about the spread of measles in Texas, local pastor Jake Fehr hopes to set the record straight.

The measles outbreak was originally concentrated in a rural Mennonite community in Gaines County, where many children are not vaccinated. Who are the Mennonites?