-
First United States Polio Epidemic
The First known epidemic of the Poliovirus recorded in the United States. -
Contagious Nature of Polio Discovered
In 1905, Ivar Wickman discovered two important things. One that Polio is contagious, and that it could be present in people who have no symptoms. -
Poilio Virus Identified
Karl Landsteiner and Erwin Popper announced that the contagious properties of polio comes from a virus. -
The Iron Lung Introduced to Treatment
Boston Hospital and Harvard published a paper that proved the successful use of the iron lung, or artificial respirator, for the use on patients with paralytic polio. -
More than one type of Polio Virus proposed
Australian reserachers infected monkeys with the polio virus. They discovered two important things. There are more than one type of the poliovirus, and that immunity from one virus does not mean there is immunity against the others. -
Early Polio Vaccine Trials
-
First March of the Dimes
-
FDR Pleads for Victory Against Polio
-
Koproski Tests Polio Vaccine on himself
After testing the Type II Vaccine on chimpanzees, Korproski drank his own concoction of the vaccine. He and his assistant, who also took the vaccine, suffered no ill effects. -
Polio Cases Surge
57,628 cases of Polio were reported in the United States. -
Salk Begins early Polio Vaccine Tests
-
Massive Polio Vaccine Trial Begins in the United States
-
Polio Results Announced
At a press conferece at the University of Michigan, doctors announced the results of the Salk poliovirus trial. It was shown that the vaccine was 80%-90% effective.
