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Polio was first discoverd and there was outbreaks acrss Louisiana
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M major outbreak happens there were over 9000 cases just in newyork.
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There is a major outbreak of polio in Los Angeles. Nearly 2500 polio cases are treated from May through November of that year at Los Angeles County General Hospital alone.
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FDR announces the creation of the National Foundation for Infantile Paralysis.
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Sister Elizabeth Kenny travels from her native Australia to California where she is virtually ignored by the medical community. She then travels to Minnesota where she gives the first presentation in the United States to members of the Mayo Clinic staff regarding her procedures for treating polio patients by means of hot-packing and stretching affected limbs.
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The first Sister Kenny Institute opens in Minneapolis.
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The Sister Kenny Foundation is formed, and Kenny's procedures become the standard treatment for polio patients in the United States, replacing the ineffective traditional approaches of " convalescent serum " and immobilization.
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World War II ends. Large epidemics of polio in the U.S. occur immediately after the war with an average of more than 20,000 cases a year from 1945 to 1949.
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- There are 58, 000 cases of polio in the United States, the most ever. Early versions of the Salk vaccine, using killed polio virus, are successful with small samples of patients at the Watson Home for Crippled Children and the Polk State School, a Pennsylvania facility for individuals with mental retardation.
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News of the successful vaccine trials is announced by Dr. Thomas Francis Jr. of the University of Michigan at a formal press conference held April 12 in Ann Arbor (the site where the research data from the field trials had been gathered and analyzed). A nationwide vaccination program is quickly started.
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After a mass immunization campaign promoted by the March of Dines, there are only about 5600 cases of polio in the United States.
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Only 121 cases of polio are reported nationally
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Only 121 cases of polio are reported nationally
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The last indigenous transmission of wild polio virus occurs in the U.S. All future cases are either imported or vaccine-related.
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More than 87 million children are immunized!