Polio vaccine trials begin – Apr 26, 1954 – HISTORY.com
On this day in History, Polio vaccine trials begin on Apr 26, 1954. Learn more about what happened today on History.
More info @ http://ift.tt/2pB3sXd
Automated post from Polio Survivors Rotarian Action Group (RAG) – http://ift.tt/2cY37pC
April 26, 2017 at 05:41PM

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