What is the job of an epidemiologist?

Epidemiologists study the frequency and distribution of diseases within human populations and environments. Specifically, they measure the incidence of disease occurrence and relate it to different characteristics of populations and environments. Epidemiologists perform research, education, and public health practice in universities, government agencies, international organizations, and private corporations.

Epidemiologists often:

Work on developing or refining methods of measuring and evaluating disease occurrences.

Develop and recommend public health policy.

Study or research chronic diseases, infectious diseases, disease outbreaks, injuries, occupations, and environments.