PUBHLTH 303 Midterm: PH203part1
26 Oct 2016
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Trial quiz 12:05am wed to 11:55pm thursday {12 minute timer on moodle} The study of diseases and health conditions (occurring in the population) that are linked to environmental factors. Sir percival pott (1714 - 1788) a london surgeon thought to be the first individual to describe an environmental cause of cancer. Noticed chimney sweeps had high incidence of scrotal cancer due to contact w soot. Identified agent, population at risk, and workplace/occupation. An english anesthesiologist who linked a cholera outbreak in london to contaminated water from the. Cholera is an acute, diarrheal illness caused by the infection of the intestine with the bacterium vibrio. Snow used a natural experiment, commonly used today by environmental epidemiology. Lambeth (upstream) and southwark and vauxwell (downstream) withdrew water from the. Higher mortality in homes using contaminated water (downstream) Snow mapped every single case of cholera in order to determine the source. Broad street found to be the source.
