1854 Broad Street cholera outbreak

1854 Broad Street cholera outbreak
Part of 1846–1860 cholera pandemic
An old-fashioned water pump, painted black, with its handle removed, standing on a stone pedestal two steps above the sidewalk.
A replica pump commemorating the outbreak and John Snow's investigation of it.
Date1854
LocationSoho, London, UK
Coordinates51°30′48″N 00°08′12″W / 51.51333°N 0.13667°W / 51.51333; -0.13667
CauseVibrio cholerae present within the pumping water due to contamination by sewage
Deaths616

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").[1][2] 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.

  1. ^ Eyeler, William (July 2001). "The changing assessments of John Snow's and William Farr's Cholera Studies". Sozial- und Präventivmedizin. 46 (4): 225–32. doi:10.1007/BF01593177. PMID 11582849. S2CID 9549345.
  2. ^ Cite error: The named reference :0 was invoked but never defined (see the help page).

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