Poliomyelitis - microbewiki
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Salk, Sabin and the Race Against Polio | History| Smithsonian Magazine
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Polio eradication - Wikipedia
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Neil Davies on X: "Whereas as of July 27th there have been 2 cases of wild polio in 2021, one in each of Afghanistan and Pakistan. https://t.co/v8mnMD6tBd https://t.co/8VS3udiLPr" / X
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Jonas Salk - Wikipedia
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Vaccines Almost Eradicated Polio. Now A Disease Like It Is Back.
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Polio - Wikipedia
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Good, Bad and Ugly: The History of Polio Vaccines - Professor Gareth Williams - YouTube
