PBHL 3101 Chapter Notes - Chapter 1: Epidemiology, Percivall Pott, John Graunt

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Chapter 1: history, philosophy, and uses of epidemiology. Epidemic- refers to the occurrence in a community or region of cases of an illness, specific health-treated behavior, or other health-related events clearly in excess of normal expectancy. It is possible in some instances for a single case of a disease to present an epidemic. When a new occurrence of an infectious disease not previously found in an area or the presence of disease that has been absent. Pandemic- an epidemic occurring worldwide or over a very wide area, crossing international boundaries and usually affecting a large number of people. Epidemiology-is covered with the distribution and determinates of health and diseases, morbidity, injuries, disability, and mortality in populations. Epidemiology is one of the basic sciences of public health; epidemiologic methods a are applied to a variety of public health fields. Epidemiologist quantity health outcomes by using statistics, expose causal relationships between exposures and health outcomes.

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