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- Study of the distribution of disease, or other health-related conditions and events in human or animal populations, in order to identify health problems and possible causes.
- The study of associations between patterns of disease in populations and environmental, lifestyle or genetic factors.
Source: Biotechnology Glossary
- The study of where diseases come from, how they are distributed geographically and socially, and how they are transmitted from one place or person to another.
- Study of the distribution of disease, or other health-related states and events in human populations, as related to age, sex, occupation, ethnicity, and economic status in order to identify and alleviate health problems and promote better health.
Source: Terms of the Environment