Ind Rev Flashcards
(31 cards)
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Snow
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In the 19th century
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three key figures—Edwin Chadwick
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- Chadwick studied how **poor sanitation
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poverty
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- In 1842
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he published The Sanitary Conditions of the Labouring Population
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- He pushed for **clean water
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proper drainage
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- His efforts led to the Public Health Act of 1848
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which created local health boards to oversee sanitation.
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- While some opposed his ideas
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they later influenced large projects like Bazalgette’s sewer system.
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- Snow
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a doctor
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- During the 1854 cholera outbreak
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he mapped cases and traced the source to a contaminated water pump on Broad Street.
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- He had the pump handle removed
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stopping further infections and proving that cholera was spread through water.
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- His book
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On the Mode of Communication of Cholera
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- His methods of tracking disease outbreaks laid the foundation for modern epidemiology.
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- London’s poor sanitation led to frequent cholera outbreaks and the Great Stink of 1858
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when the smell from the polluted Thames forced Parliament to act.
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- Bazalgette designed a sewer system to remove waste and prevent contamination of drinking water.
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- He built **1
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100 miles of underground sewers**
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- He planned for future population growth
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ensuring that the system would work for generations.
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- His design was so effective that parts of it are still in use today
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setting a model for modern city sanitation systems.
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## **Lasting Impact on Public Health**
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- **Chadwick** showed that better sanitation could reduce disease and improve life expectancy.
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- **Snow** proved that cholera spread through water and introduced methods still used in disease prevention.
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- **Bazalgette** built an advanced sewer system that helped keep cities clean and safe.
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Their work shaped public health policies
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