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Medical Term:


Pronunciation: ep'i-dem'ik

Definition: The occurrence in a community or region of cases of an illness, specific health-related behavior, or other health-related events clearly in excess of normal expectancy; the word is also used to describe outbreaks of disease in animals or plants.

[epi- + G. demos, the people]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.