Definition of Epidemic

Reviewed on 3/29/2021

Epidemic: The occurrence of more cases of a disease than would be expected in a community or region during a given time period. A sudden severe outbreak of a disease such as SARS. From the Greek "epi-", "upon" + "demos", "people or population" = "epidemos" = "upon the population." See also: Endemic; Pandemic.

SLIDESHOW

Heart Disease: Causes of a Heart Attack See Slideshow

Health Solutions From Our Sponsors