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NOTES - Cholera 15:24:00 ← Origin and Spread • Indian...

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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 Koch’s 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 15:24:00 ← Origin and Spread • Indian...

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