Vibrio Cholera

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Case Study Risk of Infectious and Communicable Diseases Cholera, a gastrointestinal infection caused by toxigenic bacterium, Vibrio cholerae serogroup O1 or O139, can cause acute, severe, watery diarrhea, dehydration, and death. Known risk factors for cholera outbreaks include lack of access to safe drinking water, contaminated food, inadequate sanitation, and large numbers of refugees or internally displaced persons. The 2010 cholera outbreak in Haiti following a severe earthquake and flooding underscored the vulnerability of populations due to poor sanitation, a strained public health infrastructure, and large numbers of displaced people. The earthquake in January 2010, damaged drinking water treatment facilities and piped water distribution systems throughout Haiti, and displaced an estimated 2.3 million people, the flooding that occurred later in the year exacerbated the problems. As of mid-November 2010, the Haitian Ministry of…show more content…
Was the 2010 cholera outbreak that occurred in Haiti a common source outbreak or a propagated outbreak? Explain the difference. What was the main reservoir for the Vibrio cholerae organism? Describe the conditions that provided the reservoir. This is an example of a common source outbreak. Common source outbreak an outbreak that has the same origin vs a propagated outbreak which is where the infection is transmitted from person to person over a long period of time than with a common source outbreak. The water was the reservoir for Vibrio cholerae. The earthquake played the largest role in the outbreak and not upholding water and sanitation regulations. Then the floods made this situation worse. 2. How does this outbreak compare to the Broad Street pump cholera epidemic in London in 1854? The reservoir for Vibrio cholerae was water in both examples. Haiti experienced the largest cholera outbreak in history. In London 1854 John Snow devolved the first case for

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