In 1955, Jonas E. Salk’s new polio vaccine was pronounced safe, effective, and potent. Eisenhower never doubted it:http://nyr.kr/1DFG4Vr
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@SharylAttkisson@defendressofsan@NewYorker@michaelwhudson was there not a surge of polio Sharyl at intro of Salk's vax ?Thanks. Twitter will use this to make your timeline better. UndoUndo
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