Review the work of John Snow regarding the cholera epidemic in Soho/London England in 1854. Answer the following questions: a. Describe the geographical chart he used to map the outbreak of cholera in London and Soho England. b. What body system is affected by cholera and why is it such a dangerous disease? c. Is cholera still a dangerous disease today? If so why? If not, why? d. Why did other doctors dispute John Snow's beliefs about cholera? e. What did other scientists believe caused cholera? f. How did Snow narrow his research to the "broad street" pump as the source of contamination? g. What specifically was determined to be the cause of the cholera outbreak? g. What are similarities and differences in the way a public health professional would follow a disease outbreak in the 21st. century compared to the way Snow followed cholera?
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John Snow used a geographical chart, also known as a dot map, to map the outbreak of cholera in Soho, London, England in 1854. He marked each cholera case with a dot on the map, which helped him identify the source of the outbreak. Show more…
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Review Exhibit 1-2, Snow on Cholera. What do you believe was the purpose of each of the following observations by Snow? a. "small white, flocculent particles" in the water from the Broad Street pump b. the location of cholera deaths as shown in Figure 1-12 c. people who died avoided the pump in Marlborough Street and instead had the water from the Broad Street pump d. "the greatest number of attacks in any one day occurred on the 1st of September, ..." e. "On September 8th—the day when the handle of the pump was removed ..." To what extent do you think removing the pump handle was effective in stopping the disease outbreak?
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