Amid Spike In Measles Cases, Health Officials Warn Of ‘Losing Decades Of Progress’

A medical worker holds a measles-rubella vaccine at a health station in Banda Aceh, Indonesia.

The number of cases worldwide leaped more than 30 percent from 2016 to 2017, according to the World Health Organization and the CDC. And they say the rise has roots in failures to vaccinate children.

(Image credit: Chaideer Mahyuddin/AFP/Getty Images)