NOTES - Cholera 10/11/2010 15:24:00 Origin and Spread...

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Unformatted text preview: Cholera 10/11/2010 15:24:00 Origin and Spread Indian subcontinent as a contaminant in Ganges River Spread by trade routes to Russia and Europe, then to North America No longer a threat in Europe and North America due to water purification Threat in developing countries Causes Miasma Theory o Max von Petterkofer-concluded cases came from marshlands o Florence Nightingale- raised nursing standards Poison Theory o John Snow Father of modern epidemiology o Not airborne; affected gut first o Proposed toxin in patient feces transmitted by water Contagion/Germ Theory o Robert Koch o 1883-found bacteria vibrio cholerae o Established Kochs Postulate Organism must be found in diseased but not healthy Organism must be isolated and grown in pure culture Reisolated from infected animals Clinical Procedure 50% fatality rate Watery, rice-water diarrhea Sunken in eyes, cramps, leathery skin, Hypovolemic shock which leads to a quick death Pandemics 1 st pandemic- Russia and China 1820 o Cholera Riots against Russian government al restrictions 2 nd- Paris, London 1849 and the US 4 th- Europe and AFtrica 1863-1875 6 th- last epidemic in the US when Moltke brought infected people to NYC. Slum Housing/ Measures taken Industrial Revolution caused boom in factory towns Cheap housing established to accomadate workers o Few sewage facilities Link to the spread of cholera led to the Public Health Act of 1875 for clean sewage and water Forced better living conditions for people to keep the disease down 1983 Immigration Act After tuphus outbreak in US, Act was established Only healthy passengers were allowed into US-inspection ports...
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NOTES - Cholera 10/11/2010 15:24:00 Origin and Spread...

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