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jul 26, 1854 - 1854 Broad Street cholera outbreak in London

Description:

Before germ theory was even proposed by Louis Pasteur, John Snow was able to find the cause of the cause of the outbreak as the contaminated water pump by mapping cases during the outbreak. John Snow is regarded as the father of epidimiology.

Added to timeline:

20 Oct 2018
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Date:

jul 26, 1854
Now
~ 172 years ago