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1854 Broad Street cholera outbreak

1854 disease outbreaks1854 in London1854 in science19th-century epidemics19th century in the City of Westminster
August 1854 eventsCholera outbreaksDisease outbreaks in EnglandHealth in LondonHealth in the City of WestminsterHistory of medicine in the United KingdomHistory of the City of WestminsterSeptember 1854 eventsSoho, LondonSpatial epidemiologyThames WaterUse British English from August 2022Water supply and sanitation in London
Pump Handle John Snow
Pump Handle John Snow

The Broad Street cholera outbreak (or Golden Square outbreak) was a severe outbreak of cholera that occurred in 1854 near Broad Street (now Broadwick Street) in Soho, London, England, and occurred during the 1846–1860 cholera pandemic happening worldwide. This outbreak, which killed 616 people, is best known for the physician John Snow's study of its causes and his hypothesis that germ-contaminated water was the source of cholera, rather than particles in the air (referred to as "miasma"). This discovery came to influence public health and the construction of improved sanitation facilities beginning in the mid-19th century. Later, the term "focus of infection" started to be used to describe sites, such as the Broad Street pump, in which conditions are favourable for transmission of an infection. Snow's endeavour to find the cause of the transmission of cholera caused him to unknowingly create a double-blind experiment.

Excerpt from the Wikipedia article 1854 Broad Street cholera outbreak (License: CC BY-SA 3.0, Authors, Images).

1854 Broad Street cholera outbreak
Broadwick Street, City of Westminster Soho

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N 51.51334 ° E -0.13667 °
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Broad Street Pump

Broadwick Street
W1F 9QJ City of Westminster, Soho
England, United Kingdom
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Pump Handle John Snow
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