When enough people opt out of routine vaccinations for their children, diseases that have been all but eliminated can come roaring back, as is the case with a growing measles outbreak in West Texas.

Guest: Dr. Adam Ratner, pediatrician of infectious disease in New York City and author of Booster Shots: The Urgent Lessons of Measles and the Uncertain Future of Children’s Health.

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Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme, Rob Gunther, and Ethan Oberman.

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