Jonas Salk
by Don McLeese
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Poliomyelitis vaccineVirologistsVaccinationPoliomyelitisJuvenile literatureBiographyJUVENILE NONFICTION / Biography & Autobiography / HistoricalJUVENILE NONFICTION / Biography & Autobiography / GeneralVirologistSalk, jonas, 1914-1995Poliomyelitis, juvenile literatureUnited states, biography