BSOC210 midterm notes - 1 BSOC 210 plague = wide-scale...

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BSOC 210 plague = wide-scale epidemic of a disease vector = organism that conveys a pathogen from one animal to another - vector must be a living organism - pathogen must survive/replicate in vector pathogen = disease-causing agent, not complex organism (i.e., virus) parasite = lives on/in another organism, derives nutrition from it epidemiology = study of disease ecology study of the relationships between indiv./pop. ad their biological/physical environment - takes into consideration the patient , circumstances , etc. Importance of Epidemiology : 1) predict disease risk 2) develop intervention/control strategies Father of Epidemiology : John Snow 1854: Broad St. pump cholera outbreak; discovered: pathogen = water-borne , NOT miasmas Applications of Epidemiology : - disease surveillance patterns - searching for causes risk - diagnostic testing screening - determining the natural history case fatality - searching for prognostic factors likelihood of survival - testing new treatments
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BSOC210 midterm notes - 1 BSOC 210 plague = wide-scale...

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