Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in a defined population, and application of this knowledge to prevent diseases.
It is a cornerstone of public health, and shapes policy decisions and evidence-based practice by identifying risk factors for disease and targets for preventive healthcare. Epidemiologists help with study design, collection, and statistical analysis of data, amend interpretation and dissemination of results (including peer review and occasional systematic review). Epidemiology has helped develop methodology used in clinical research, public health studies, and, to a lesser extent, basic research in the biological sciences.
Major areas of epidemiological study include dise...
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Community Health Advocate - The Noun Project icon from the Noun Project
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Human epidemiologic study hierarchy
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A variant of the original map drawn by Dr. John Snow (1813-1858), a British physician who is one of ...
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Iconic image for social science.
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The rod of Asclepius as depicted in the WHO logo.
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Ernst Haeckel's "tree of life", Darwin's metaphorical description of the pattern of universal common...