Measles is hitting them hard in West Texas. Who are the Mennonites, and why are they so vulnerable to the outbreak? A San Antonio pastor has the answers.

An adult who was infected with measles has died in New Mexico, though the virus has not been confirmed as the cause.

People at high risk for infection who got the shots many years ago may want to consider getting a booster if they live in an area with an outbreak.

Many doctors have never seen measles in person. The Texas outbreak is reshaping how health systems prepare for drops in ...