Measles cases have spiked globally after years of decline. Here, a family physician prepares a measles vaccine in Bucharest, Romania. Doctors there say that parental hesitancy about vaccines and lack of faith in state institutions have hurt immunization efforts.

Measles cases have spiked globally after years of decline. Here, a family physician prepares a measles vaccine in Bucharest, Romania. Doctors there say that parental hesitancy about vaccines and lack of faith in state institutions have hurt immunization efforts