Pizzavore Shirt

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Dr John Snow, who thought cholera was transmitted by water, painstakenly researched which water pump was used by the Pizzavore Shirt victims. Rev Henry Whitehead aided him in finding the source of the cholera epidemic. Eventually, an extensive modern sewer system was built in London.At the time, the prevalent thought was that disease was spread by miasma (atmospheric bad air that smelled). So to get rid of the bad miasma, cesspools were drained into the Thames River, the source of the drinking water.

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