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Medical Dictionary

influenza

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noun in·flu·en·za \ˌin-(ˌ)flü-ˈen-zə\

Medical Definition of influenza

  1. 1a:  any of several acute highly contagious respiratory diseases caused by strains of three major orthomyxoviruses now considered to comprise three species assigned to three separate genera::  influenza a:  influenza b:  influenza cb:  any human respiratory infection of undetermined cause—not used technically

  2. 2:  any of numerous febrile usually virus diseases of domestic animals (as shipping fever of horses) marked by respiratory symptoms, inflammation of mucous membranes, and often systemic involvement

  3. in·flu·en·zal \-zəl\play adjective





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