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  • Jonas Salk and the Polio Vaccine

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  • Britannica
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Jonas Salk and the Polio Vaccine

Archival footage showing children afflicted with polio, Jonas Salk giving injections, an immunization centre, and vials of vaccine being produced.

Britannica | January 22, 2008Watch more videos from Britannica

Tags:. .children. .education. .produced. .history. .science