3.3 Fighting cholera in London, 1854
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- Created on: 31-05-18 13:08
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- 3.3 Fighting cholera in London, 1854
- Fighting cholera
- Death within a week; diarrhea, sickness, dehydration and blue skin. Person-to-person or through contamination of water with faeces.
- arrived in Feb 1832, killing +5,000 by the end of the year. most prominent in slums and work houses etc. but the rich were not unaffected.
- Attempts to prevent the spread of cholera
- John Snow
- Wrote 'On the mode of Communication of Cholera'
- suggested that cholera could not be transmitted by a miasma, because it effected the gut, and not the lungs.
- that drinking water was being contaminated by the cholera-ridden faeces being deposited in the city's drains.
- concluded that Cholera was transmitted by dirty drinking water.
- suggested that cholera could not be transmitted by a miasma, because it effected the gut, and not the lungs.
- The 1854 epidemic
- Snow created a spot map to show where the deaths had occur in the area around Golden Square and Broad street
- realized that there was a patters: deaths were concentrated around the water pump on Broad street
- removed the handle and the cholera outbreak went away very quickly.
- the well was very close to a cesspit, which had cracked, allowing waste to seep into the well and spread cholera.
- this was before germ theory so there was no scientific evidence
- realized that there was a patters: deaths were concentrated around the water pump on Broad street
- Snow created a spot map to show where the deaths had occur in the area around Golden Square and Broad street
- Impact and significance
- advised the Gov to plan/build a sewer system
- 'The Great Stink': a hot day where the water levels dropped to expose all the sewage heating up. this acted as encouragement.
- Joseph Bazalgette
- planned and completed the sewage system
- many regected Snow's work: hung to miasma. admitting to it would mean having to take expensive steps as to stop the spread.
- immediate impact on the residents of Broad street , yet it is only until much later that the importance of clean water was accepted
- advised the Gov to plan/build a sewer system
- Wrote 'On the mode of Communication of Cholera'
- Fighting cholera
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