AdvertisementU.S. Measles Outbreaks Are Driven By A Global Surge In The VirusApril 30, 2019Jason BeaubienfacebookEmailA nurse prepares a syringe for a measles vaccination at a pediatric clinic in Kiev, Ukraine. The country had 72,408 measles cases in the year from March 2018 to February 2019 — the highest number for any country during that period. (AFP/Getty Images)