what do epidemiologist
Epidemiologists study outbreaks of diseases, the causes, locations, and how various communities are affected, utilizing relative information to aid in the prevention of future outbreaks. Epidemiologists help to keep the public informed of methods to maintain and improve public health.
The branch of medicine that deals with the study of the causes, distribution, and control of disease in populations. [Medieval Latin epidēmia, an epidemic; see epidemic + -logy.] ep′i·de′mi·o·log′ic (-ə-lŏj′ĭk), ep′i·de′mi·o·log′i·cal (-ĭ-kəl) adj.