Davidson College professor Sally McMillen talked about the polio epidemic in the United States in the early to mid-20th century. Fear of contracting polio grew following a series of outbreaks, including one in 1916 that started in Brooklyn, New York, and eventually killed more than 6,000 people. She also spoke about the efforts of President Franklin Roosevelt to help find a cure, in part by starting the March of Dimes organization.

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