n. 流行性感冒

[医] 流行性感冒, 流感

[ noun ]
an acute febrile highly contagious viral disease
<noun.state>

Influenza \In`flu*en"za\, n. [It. influenza influence, an
epidemic formerly attributed by astrologers to the influence
of the heavenly bodies, influenza. See {Influence}.] (Med.)
An epidemic viral infectious disease characterized by acute
nasal catarrh, or by inflammation of the throat or the
bronchi, and usually accompanied by fever and general
weakness; also called {grippe}. It is caused by several forms
of RNA virus which mutate readily and thereby render vaccines
prepared against older forms ineffective, often requiring a
new form of vaccine for each new outbreak.
[1913 Webster +PJC]