At least 58 cases have been confirmed. Health officials — who are scrambling to get a handle on the vaccine-preventable outbreak — suspect 200 to 300 people may be infected.

An ongoing measles outbreak in rural Texas is the worst the state has seen in the last 30 years—here is everything we know about it. A total of 48 measles cases had been identified in the South Plains region of Texas, as of the Texas Department of State Health Services' most recent update on February 14.