Application of Epidemiology<br />To identify the etiology or causes of a diseases and risk factors.<br />To determine the extent of disease found in the community .<br />To study the natural history and prognosis of diseases<br />To evaluate both existing and new preventive and therapeutic measures and mode of health care delivery. <br />To provide the foundation for developing public policy and making regulatory decisions relating to environmental problems.<br />
Healthy People in Healthy Communities.<br />Source: U.S Department of Health and Human Services, 2000<br />
How we use Epidemiology ?<br />Epidemiological tools:<br />Surveillance, <br />Out-break investigation <br />Epidemiological studies <br />Descriptive study <br />Analytical study<br />Experimental study <br />
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