- an acute, contagious, infectious disease, caused by any of various viruses and characterized by inflammation of the respiratory tract, fever, and muscular pain
- any of various viral diseases of domestic animals, characterized by inflammation of the respiratory tract
Origin of influenzaIt, literally , an influence (because attributed by astrologers to the influence of the stars) from Medieval Latin influentia: see influence
- An acute contagious viral infection of humans, characterized by inflammation of the respiratory tract and by fever, chills, muscular pain, and prostration. Also called grippe .
- Any of various viral infections of domestic or wild animals, generally characterized by fever and respiratory involvement.
Origin of influenzaItalian from Medieval Latin īnfluentia influence (so called apparently from the belief that epidemics were due to the influence of the stars) ; see influence .
(plural influenzas or influenze)