POLICE VACCINE DEVELOPER KOPROWSKI DIES
Dr. Hilary Koprowski, the Polish-born researcher who developed the first successful oral vaccination for polio, died in the second week of April 2013 at his Philadelphia (U.S.A) home.He was 96. Although not as well known as fellow researchers Jonas Salk and Albert Sabin, his 1950 clinical trial was the first to show that it was possible to vaccinate against polio.
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