epidemiology
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.ep·i·de·mi·ol·o·gy
noun \ˌe-pə-ˌdē-mē-ˈä-lə-jē, -ˌde-mē-\Definition of EPIDEMIOLOGY
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ep·i·de·mi·ol·o·gy
noun \-jē\ (Medical Dictionary)Medical Definition of EPIDEMIOLOGY
epidemiology
noun (Concise Encyclopedia)Study of disease distribution in populations. It focuses on groups rather than individuals and often takes a historical perspective. Descriptive epidemiology surveys a population to see what segments (e.g., age, sex, ethnic group, occupation) are affected by a disorder, follows changes or variations in its incidence or mortality over time and in different locations, and helps identify syndromes or suggest associations with risk factors. Analytic epidemiology conducts studies to test the conclusions of descriptive surveys or laboratory observations. Epidemiologic data on diseases is used to find those at high risk, identify causes and take preventive measures, and plan new health services.
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