This site requires Javascript to be turned on. Please enable Javascript and reload the page. Jonas Salk and the Invention of the Polio Vaccine Main Menu Jonas Salk and the Invention of the Polio Vaccine A Brief History of Variolation A Brief History of Vaccination Polio Timeline Alvaro Quezada 7828c851ddc470a00b45eb00bde06e8e2aefd52c USC Lady Holding Vaccine 2 1 media/First_Shipment_of_Polio_Vaccine_1955 (3)_thumb.jpg 2020-09-09T12:47:53-07:00 Alvaro Quezada 7828c851ddc470a00b45eb00bde06e8e2aefd52c 37889 1 plain 2020-09-09T12:47:53-07:00 Alvaro Quezada 7828c851ddc470a00b45eb00bde06e8e2aefd52c This page is referenced by: 1 2020-09-09T12:49:20-07:00 Brief history of inoculation 4 plain 2020-09-09T17:12:39-07:00
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