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John Snow Defeats “King Cholera” Who is John Snow? What is cholera? Who is John Snow? John Snow （15 March 1813 – 16 June 1858） was an English physician. He is considered one of the fathers of modern epidemiology （流行病学）, in part because of his work in tracing the source of a cholera （霍乱） outbreak in London in 1854. His findings inspired fundamental changes in the water and waste systems of London, which led to similar changes in other cities, and a significant improvement in [来自e网通客户端]
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课件
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人教新课标
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必修五 Unit 1 Grea...
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