3 terms

NURS 3316 EPIDEMIOLOGY UNIT 1-5

Differentiate between endemic, epidemic, and pandemic
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Endemic
At this state, the disease or infectious agent exist constantly within a given geographic area or population group. It may also refer to the usual prevalence of a given disease within such an area or group.
Epidemic
This happens when more cases of a disease occur than expected in a given area or among a specific group of people over a particular period of time.
Pandemic
This happens when an epidemic occurs over a very wide area (several countries or continents) and affects a large proportion of the population.