Long TextExercício 64 de 74

In the autumn of 1854, a physician named John Snow removed the handle from a water pump on Broad Street in the Soho district of London. The gesture was modest - almost anticlimactic - but it marked a turning point in the history of public health. Snow had spent weeks mapping the distribution of cholera deaths in the…

• What does the writer find most significant about John Snow's cholera investigation?
• Why were Snow's contemporaries reluctant to accept his findings?