S92E1 - Conquering Polio | The March of Dimes

In the summer of 1921, 39-year-old Franklin Delano Roosevelt was on vacation with his family when he developed a fever, muscle aches, and chills. Pain spread to his legs, and soon, he was paralyzed from the waist down. Doctors diagnosed him with polio, which was fast becoming America’s most dreaded infectious disease.

Every summer, polio struck without warning, causing swimming pools and movie theaters to close and panicked parents to keep their children indoors. Polio killed thousands of Americans each year and paralyzed many more. But scientists had no idea how to stop it.

Roosevelt an...