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6 feb 1854 año - John Snow

Descripción:

Snow believed that cholera was caused by dirty water and not miasma. He had authorities remove the handle on a pump on Broad Street in Soho. 60% of the people who drank from this pump had cholera

Añadido al timeline:

The History of Infectious Diseases

ByValerie Lu
14 dic 2018
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0
1008

fecha:

6 feb 1854 año
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~ 171 years ago
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