Feb. 28, the number of measles cases in West Texas has risen to 146, with 20 hospitalizations, in an outbreak primarily affecting children and teenagers.

Vaccine hesitancy has been rising for years in the United States. Doctors and parents in one rural county are confronting the consequences.

The U.S. Centers for Disease Control and Prevention upheld the role of vaccines in offering protection against measles after an unvaccinated child succumbed to the infection earlier this week.