Stock Photo - 1954 - The National Foundation for Infantile Paralysis -120 Broadway New York 5, N.Y. October 7, 1954. Virus Research Laboratory, Municipal Hospital Pittsburgh, Pa. Dr. Jonas E. Salk, discoverer of the new polio vaccine is shown in lab with his assistant Dr. J.S. Youngner. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)

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