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6 ENTRIES FOUND:

influenza

noun in·flu·en·za \ˌin-(ˌ)flü-ˈen-zə\

medical : a common illness that is caused by a virus and that causes fever, weakness, severe aches and pains, and breathing problems

Full Definition of INFLUENZA

1
a (1) :  an acute typically severe respiratory disease caused by an orthomyxovirus (species Influenza A virus of the genus Influenzavirus A) and marked by sudden onset, fever, prostration, severe aches and pains, and progressive inflammation of the respiratory mucous membranes —called also influenza A (2) :  either of two usually milder or even subclinical respiratory diseases caused by two other orthomyxoviruses (species Influenza B virus of the genus Influenzavirus B and species Influenza C virus of the genus Influenzavirus C) —often used with the letter B or C to denote the causative species
b :  any of various human respiratory infections of undetermined cause —not used technically
2
:  any of numerous febrile usually virus diseases of domestic animals marked by respiratory symptoms, inflammation of mucous membranes, and often systemic involvement
in·flu·en·zal \-zəl\ adjective

Origin of INFLUENZA

Italian, literally, influence, from Medieval Latin influentia; from the belief that epidemics were due to the influence of the stars
First Known Use: 1743

influenza

noun in·flu·en·za \ˌin-(ˌ)flü-ˈen-zə\   (Medical Dictionary)

Medical Definition of INFLUENZA

1
a :  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: (1) :  influenza a (2) :  influenza b (3) :  influenza c b :  any human respiratory infection of undetermined cause—not used technically
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
in·flu·en·zal \-zəl\ adjective

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