John Snow and Cholera

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  • John Snow and Cholera
    • 1854 London
    • A London Physician
    • Plotted a street plan every cholera case around his surgery.
    • 500 deaths - Broad Street.
    • He noticed the brewery workers didn't catch the disease
      • the drank beer rather than water.
    • Thames was polluted.
    • The water pump was the source of the disease.


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