Font Size

Definition of Prevalence

Prevalence: The proportion of individuals in a population having a disease or characteristic. Prevalence is a statistical concept referring to the number of cases of a disease that are present in a particular population at a given time, whereas incidence refers to the number of new cases that develop in a given period of time.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

Medical Dictionary Definitions A - Z

Search Medical Dictionary

Medical Dictionary