PHSC 401 Lecture Notes - Lecture 9: Exact Sciences, Miasma Theory
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Excreted in feces or released via throw up. Has(cid:374)"t (cid:271)ee(cid:374) i(cid:374) the u. fo(cid:396) a(cid:271)out (cid:1005)(cid:1004)(cid:1004) yea(cid:396)s: haiti: earthquakes brought infected foreign aid workers from another part of the world. Lack of infrastructure where sewage and water can mix. Victims in ny 1832: endemic to india, brought on boats and infects port cities: charleston, etc, miasma theory. Shoe-leather epidemiology: john snow: door-to-door data, hypothesizes that something infected the canal, noticed cholera was present where sewage got into water supply, nobody believed this due to miasma theory. Investigated and found 89 deaths in the area close to the sewage/pump: 1880s: officials warned to drink water, simultaneously cleaned the city. Thousands of deaths, but decreased as time went on. Boa(cid:396)d of health (cid:449)ould go to (cid:448)i(cid:272)ti(cid:373)"s house, (cid:272)lea(cid:374) the house, (cid:395)ua(cid:396)a(cid:374)ti(cid:374)e, etc. Early campaign for improved drainage, sewerage, and clean water build on faulty science.