Feb. 23, 1954 | Clinical Trials Begin for Jonas Salk’s Polio Vaccine
On Feb. 23, 1954, children from an elementary school in Pittsburgh received injections of Dr. Jonas Salk’s polio vaccine in a mass inoculation.
More info @ http://ift.tt/2F2NmwP
Automated post from Polio Survivors Rotarian Action Group (RAG) – http://ift.tt/2cY37pC
February 23, 2018 at 12:42PM