Remembering Jonas Salk on the 100th Anniversary of Polio Vaccine Developer’s Birth

October 28, 2014

(Scientific American) – The first vaccine against polio, developed by Jonas Salk in 1954 while he was at the University of Pittsburgh School of Medicine, registered a success rate of only 60 to 90 percent. Yet the incidence of polio in the U.S. quickly and dramatically fell from 25,000 cases to a few dozen in only a few years.