prevalence

  1. Noun.  The quality or condition of being prevalent; superior strength, force, or influence; general existence, reception, or practice; wide extension; as the prevalence of virtue, of a fashion, or of a disease; the prevalence of a rumor.
  2. Noun.  (epidemiology) The total number of cases of a disease in the given statistical population at a given time.
  3. Noun.  (epidemiology) The total number of cases of a disease in the given statistical population at a given time, divided by the number of individuals in the population.

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This entry was last updated on RefTopia from its source on 3/20/2012.