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By Kai Kupferschmidt In perhaps the most famous example of shoe-leather epidemiology, U.K. physician John Snow mapped cholera cases in London in 1854 to pinpoint a water pump on Broad Street as the […]
By Kai Kupferschmidt In perhaps the most famous example of shoe-leather epidemiology, U.K. physician John Snow mapped cholera cases in London in 1854 to pinpoint a water pump on Broad Street as the […]