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TOEFL BNC: 19731 COCA: 12570

influenza

1 ENTRIES FOUND:
influenza /ˌɪnfluˈɛnzə/ noun
influenza
/ˌɪnfluˈɛnzə/
noun
Learner's definition of INFLUENZA
[noncount] medical
: a common illness that is caused by a virus and that causes fever, weakness, severe aches and pains, and breathing problems流行性感冒
TOEFL BNC: 19731 COCA: 12570

influenza

noun

in·​flu·​en·​za ˌin-(ˌ)flü-ˈen-zə How to pronounce influenza (audio)
1
a
: an acute, highly contagious, respiratory disease caused by any of three orthomyxoviruses:
(1)
or influenza A : moderate to severe influenza that in humans is marked especially by sudden onset, fever, sore throat, fatigue, muscle aches, inflammation of the respiratory mucous membranes, and cough, that has numerous variants caused by subtypes (such as H1N1, H2N2, or H3N2) of an orthomyxovirus (species Influenza A virus of the genus Influenzavirus A) infecting humans and various animals (such as birds or pigs), and that may occur in seasonal epidemics or sometimes pandemics following mutation in the causative virus
(2)
or influenza B : influenza with less severe symptoms that is caused by an orthomyxovirus (species Influenza B virus of the genus Influenzavirus B) infecting only humans and especially children and that may occur in seasonal epidemics but not pandemics
(3)
or influenza C : mild influenza that is often asymptomatic, is caused by an orthomyxovirus (species Influenza C virus of the genus Influenzavirus C) infecting only humans, and does not occur in epidemics or pandemics
b
: any of various human respiratory infections of undetermined cause
not used technically
2
: any of various virus diseases of domestic animals marked especially by fever, respiratory symptoms, and inflammation of mucous membranes

Note: All types of influenza are commonly called "the flu."

influenzal adjective
influenzal pneumonia
influenzal symptoms

Example Sentences

Recent Examples on the Web Initial theories of cause were based on a similar concept seen from other viruses such as the influenza virus, which have been known to either alter or knock out olfactory (nerve responsible for sense of smell) nerve fibers. Nina Shapiro, Forbes, 16 June 2022 Avian influenza viruses are classified into two groups: Low Pathogenic Avian Influenza (LPAI) and Highly Pathogenic Avian Influenza (HPAI). Orlando Mayorquin, USA TODAY, 29 Apr. 2022 Unlike influenza viruses, which mutate almost constantly, this one did not. Arianna Lapenne, CNN, 7 Aug. 2021 Viruses constantly mutate, especially if their genetic material contains ribonucleic acid (RNA), as is the case with coronaviruses and influenza viruses. Caroline Delbert, Popular Mechanics, 2 Aug. 2021 Covid-19, to be sure, but also Zika, dengue fever, novel influenza viruses, Ebola, antibiotic-resistant superbugs, and more. David Blumenthal, STAT, 23 May 2021 But the end of this piece clarifies the meaning of this coronavirus potentially joining the ranks of influenza viruses. Robin Lloyd, Scientific American, 19 Mar. 2021 In the case of influenza A, the genome is broken into eight separate segments. William A. Haseltine, Forbes, 12 Aug. 2022 Dog adoptions have been temporarily halted at the Greater Birmingham Humane Society as part of the organization’s effort to contain a canine influenza outbreak in the area. Howard Koplowitz | Hkoplowitz@al.com, al, 26 July 2022 See More

Word History

Etymology

Italian, literally, influence, from Medieval Latin influentia; from the belief that epidemics were due to the influence of the stars

First Known Use

1743, in the meaning defined at sense 1a

Time Traveler
The first known use of influenza was in 1743
TOEFL BNC: 19731 COCA: 12570
influenza

noun

(formal) ADJECTIVE | ... OF INFLUENZA | VERB + INFLUENZA | INFLUENZA + NOUN ADJECTIVEavian, human禽流感;人流感... OF INFLUENZAattack, bout (especially BrE) 一次流感爆發/發作VERB + INFLUENZAhave, suffer from得流感;患流感catch, contract染上/感染流感prevent預防流感INFLUENZA + NOUNepidemic, outbreak, pandemic流感流行/爆發/大流行season (especially NAmE) 流感季節virus流感病毒infection流感感染symptoms流感症狀strain流感毒株the influenza strain known as H7被稱作 H7 的流感毒株vaccine流感疫苗immunization, vaccination流感免疫/疫苗接種 topic at illness

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