Season 42
201422 EpisodesDocumentary
Episode Guide
Diseases that were largely eradicated in the United States a generation ago—whooping cough, measles, and mumps—are resurfacing, in part because anxious parents are skipping their children's vaccines. NOVA's Vaccines—Calling the Shots takes viewers on a global journey to track outbreaks, delves into the science behind immunization, features parents grappling with vaccine questions, and highlights the risks associated with opting out.