Measles has sickened nearly 150 mostly unvaccinated people in rural West Texas, and a school-age child has died.

Measles has sickened nearly 150 mostly unvaccinated people in rural West Texas, and a school-age child has died. The virus is spreading among Gaines County’s Mennonite community, where government mandates are not trusted.

Texas’ health commissioner told lawmakers Monday they are still trying to determine the origin of a South Plains-Panhandle measles outbreak more than a month after the first patients reported symptoms.