MBI Exam 1 Outline 2

MBI Exam 1 Outline 2 - Outline 2: Epidemiology Disease in...

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Outline 2: Epidemiology – Disease in Populations 1. Epidemiology: study of occurrence of disease in populations (who, age, the transmission) 2. Etiology: study of the cause of a disease 3. Epidemic: “upon the people” high incidence of disease , signaled by quick increase in number of cases within a population at one time 4. Endemic: “in the people” low levels but consistently present 5. Pandemic: “all the people” a worldwide (across continent) epidemic Qualitative Terms: 1. Prevalence : total number, proportion, percent of diseased individuals in a population at one time 2. Incidence: the number of new cases in a population in a given time period 3. Outbreak: mini-epidemic over a short time period (several cases come up after a time where there had been none) 1. Morbidity : disease, sickness 2. Mortality: death 3. Reservoir: site that holds infectious organisms (pathogens) - ex: lyme disease reservoir = a forest with deer 4. Carrier: individual who is carrying the pathogen to someone else
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This document was uploaded on 10/27/2011 for the course MBI 111 at Miami University.

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MBI Exam 1 Outline 2 - Outline 2: Epidemiology Disease in...

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