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Did John Snow's findings on cholera impact other cities after London?

  • No

  • Yes, in the United States only

  • Yes, but only within England

  • Yes, across the globe

Answer

John Snow's research into the causes of the 1854 Broad Street cholera outbreak in London led to the realization that cholera is spread through water contaminated by human waste. This finding had a major impact on public health in London and other cities across the globe, leading to improvements in sanitation and water treatment.
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