2019 S Proof American Innovation "Polio Vaccine" $1 - Pennsylvania
The American Innovation $1 Coin representing Pennsylvania commemorates the discovery of the polio vaccine in 1953 by Dr. Jonas Salk and his team.
The discovery of the polio vaccine changed the landscape of growing up and living in America. Prior to the vaccine, the Nation was gripped with fear about the ravages of polio. Its discovery lifted spirits and helped return a sense of community and leisure to American families. An achievement hailed by the American Medical Association as “one of the greatest events in the history of medicine.”