April 12, 1955--Tommy Francis and the Salk vaccine.
Markel
Howard
H
University of Michigan Medical School, Ann Arbor, USA.
D002986:Clinical Trials as Topic / Q000266:history*; D004311:Double-Blind Method; D004813:Epidemiology / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000453:epidemiology / Q000266:history* / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated / Q000266:history*; D014481:United States
D011054:Poliovirus Vaccine, Inactivated