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epidemiology. the science concerned with the study of the factors determining and influencing the frequency and distribution of disease, injury, and other health-related events and their causes in a defined human population for the purpose of establishing programs to prevent and control their development and spread.
It is a highly quantitative discipline based on principles of statistics and research methodologies. Epidemiology Key Terms and Core Concepts â¢ Distribution: Epidemiologists study the distribution of frequencies and patterns of health events within groups in a population.sing descriptive epidemiology, epidemiologists characterize health events in terms of time, place, and person.â¢ Determinants: Epidemiologists search for causes or factors that are associated with increased risk or probability of disease.