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- On 31 Agust 1854 , a cholora outbreak hit the area called Soho in Londen. Many people died in a week.Everybody trapped there selves in their homes
- John Snow
- cholora
- Doctor snow thought cholora was spread by water not air, so he started investigating.
- He started with the map of Soho,and marked where the households where people died, he also marked the water pumps.He noticed cluster of deaths around a pump in Broad Street. On enquiring, he found out that even the people who died had used the Broad Street pump.
- Doctor Snow convinced the council that the water pump from Broad Street pump was the source of cholera. So the pump handle was removed.
- Thank you
- Mum don't cry
- bacteria
- The cholera outbreak had begun with a baby girl in Broad Street . She had been infected from elsewhere . And her mother had dropped the baby's waste , full of cholera bacteria , into the cesspool . But the cesspool was leaky . So the bacteria made its way into the well under the Broad Street pump .
- cesspool
- Doctor Snow's work helped to convince people that London must get rid of cesspools , and build a proper sewage system , with flush toilets . Work began on the sewage system in 1859. It is being updated today .
- better sewage system
- Shahad Ali Al-Jeshi G7I
- Cholera
- cesspools
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