Word: koprowski
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Dates: during 1990-1999
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...oral vaccine, developed by Dr. Hilary Koprowski of Philadelphia's Wistar Institute, was made from weakened polio viruses grown in a culture of monkey kidney cells. Several monkey viruses have been known to contaminate such cultures, though vaccine makers now take pains to weed them out. Extrapolating from a number of coincidences -- the testing of the vaccine in the very site where AIDS is thought to have begun; Koprowski's recollection that he cultured the virus in the tissue of green monkeys, a species that harbors a virus similar to HIV -- writer Tom Curtis hypothesizes that the vaccine was contaminated...