Polio Vaccine
InventorJonas Salk
Year1955
CategoryMedicine
OriginUSA
About Polio Vaccine
Salk refused to patent it, saying the patent belongs to the people. When asked who owned it, he replied: Could you patent the sun? Tested on 1.8 million children in the largest medical experiment in history. Polio cases dropped from 58,000 in 1952 to near zero.
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