Last week, a woman infected with measles gave birth at University Medical Center Children’s Hospital in Lubbock, Texas, possibly exposing newborns and their families to the highly infectious virus causing a large outbreak in West Texas and neighboring states.

As Texas grapples with a measles outbreak that has infected more than 250 people, Baylor College's Peter Hotez said west Texas' unvaccinated population is contributing to the spread.

Measles outbreaks in West Texas and New Mexico now have nearly 320 cases in total. Two unvaccinated people have died from measles-related causes. The U.S. Centers for Disease Control and