Multimedia University Cholera Outbreak in London Discussion Questions

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1) Dr. John Snow was a pioneer in applying the Scientific Method to the study of disease in populations establishing the foundations of the study of Epidemiology. His seminal work was conducted studying cholera outbreaks in London in the mid-19th Century. a. What were Dr. Snow's key observations during the 1831 Cholera outbreak in the mining community. Specifically discuss the geographic pattern of disease. Did his observations support the prevailing theory that a miasma (foul odors) spread cholera? What did he hypothesize instead? b. After studying the first cholera outbreak in London, Dr. Snow had 3 key observations on Cholera outbreaks. What were these three observations, and how did each contribute to his new hypothesis for the transmission of cholera? c. How did Dr. Snow test his theory in the Grand Experiment (1854) and what were his findings? d. What public health actions (s) did Dr. Snow advocate for the Broad Street Epidemic? Additional resources: http://www.ph.ucla.edu/epi/snow/fatherofepidemiology.html http://johnsnowbicentenary.Ishtm.ac.uk/about-john-snow/ http://www.bbc.co.uk/history/historic figures/snow john.shtml http://www.johnsnowsociety.org/ https://www.youtube.com/watch?v=TLpzHHbFrHY
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Running head: CHOLERA OUTBREAK IN LONDON

Cholera Outbreak in London
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CHOLERA OUTBREAK IN LONDON

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Question 1
In 1831, the cholera disease struck in London, and very many people, in measures of
hundreds of thousands, lost their lives (Tuthill, 2003). Snow noticed that the disease was
moving north towards Newcastle. His key observations were the signs and symptoms of
cholera, as it was accompanied by queasiness, then the victim would have severe
stomachaches which would then be followed by simultaneous vomiting and diarrhea (Tuthill,
2003). In those days, the physicians had this belief that cholera was a result of miasmas,
which were poisonous air particles arising from dirty and unhyg...


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