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TOEFL IELTS BNC: 2510 COCA: 2692

infection
infection /ɪnˈfɛkʃən/ noun
plural infections
infection
/ɪnˈfɛkʃən/
noun
plural infections
Learner's definition of INFECTION
1 
[noncount] : the act or process of infecting someone or something : the state of being infected传染；感染
2 
[count] : a disease caused by germs that enter the body感染；传染病
TOEFL IELTS BNC: 2510 COCA: 2692

infection

noun

in·​fec·​tion in-ˈfek-shən How to pronounce infection (audio)
1
a
: the state produced by the establishment of one or more pathogenic agents (such as a bacteria, protozoans, or viruses) in or on the body of a suitable host
an infection in his foot
b
: a disease resulting from infection
contagious infections
infections of childhood
2
: an act or process of infecting something or someone
also : the establishment of a pathogen in its host after invasion
3
: an infectious agent or material contaminated with an infectious agent
… that notion that the infection was all in the air, that there was no such thing as contagion from the sick people to the sound … Daniel Defoe
It may not be uninteresting to add, that this case I vaccinated with infection taken from a secondary pock on the arm of her sister … John Redman Coxe
4
: the communication of emotions or qualities through example or contact
But immediately she resisted this intolerable fear as an infection from her husband's way of thinking. George Eliot
also : the emotion or quality that is communicated
… as the evening wore on, she caught the infection of their excitement … Thomas Hardy
Besides, I know what sort of a mind I have placed in communication with my own: I know it is one not liable to take infection … Charlotte Brontë
5
: the act or result of corrupting someone's morals, character, etc.
… it is at least as difficult to stay a moral infection as a physical one … Charles Dickens
… they could not know the origin—or the depth—of his susceptibility to the infection of power. Robert A. Caro

Example Sentences

Poor hygiene can increase the danger of infection. The wound has so far remained free of infection. steps you can take to decrease your computer's risk of infection
Recent Examples on the Web The United Kingdom suffered its first human infection, too, a 79-year-old man who owned 125 ducks. Boyce Upholt, The New Republic, 19 Sep. 2022 But 20 to 30 percent of patients report brain fog three months after their initial infection, as do 65 to 85 percent of the long-haulers who stay sick for much longer. Ed Yong, The Atlantic, 12 Sep. 2022 Pekosz suggests people get boosted six months after their last COVID-19 infection or vaccine, though people who are immunocompromised may need more frequent boosts. Karen Weintraub, USA TODAY, 31 Aug. 2022 Jill Biden, the first lady, exited a second isolation period Monday after her infection returned following a course of Paxlovid. Roni Rabin, BostonGlobe.com, 30 Aug. 2022 The announcement comes two weeks after the Orange County Health Care Agency reported its first confirmed infection of the year. Los Angeles Times, 25 Aug. 2022 For instance, those who vaccinate and/or treat their infection with antiviral Paxlovid may be at lower risk of developing the condition, some studies suggest. Erin Prater, Fortune, 21 Aug. 2022 Some who escaped long Covid the first time are getting it after their second or third infection. Marla Broadfoot, Smithsonian Magazine, 19 Aug. 2022 In the United Kingdom, surveys suggest that around 2.8% of the population — or some 1.8 million people — are currently experiencing symptoms that have lasted more than a month since their infection. Alexander Tin, CBS News, 19 Aug. 2022 See More

Word History

Etymology

Middle English infeccioun "morbid condition of a body part, disease, contamination," borrowed from Anglo-French & Late Latin; Anglo-French infeccioun, enfection, borrowed from Late Latin infectiōn-, infectiō "influence, process of dyeing, communication of disease, contamination," from Latin infec-, variant stem of inficere "to dye, discolor, taint, contaminate with disease" + -tiōn-, -tiō, suffix of verbal action — more at infect

First Known Use

14th century, in the meaning defined at sense 2

Time Traveler
The first known use of infection was in the 14th century

Phrases Containing infection
TOEFL IELTS BNC: 2510 COCA: 2692
infection

noun

ADJECTIVE | VERB + INFECTION | INFECTION + VERB | PREPOSITION | PHRASES ADJECTIVE➤nasty, serious, severe重度感染；嚴重感染▸➤mild, minor, moderate輕微感染；輕度感染▸➤acute, chronic急性／慢性傳染病▸➤recurrent復發性感染▸➤primary, secondary原發／繼發感染◇If the primary infection is not treated further outbreaks may occur.如果初次感染得不到治療，就可能會進一步發作。➤new新的感染◇Over 90% of all new infections occur in the developing world.新感染的病例 90% 以上出現在發展中國家。➤rare罕見的傳染病▸➤bacterial, fungal, viral細菌／真菌／病毒感染▸➤chest, ear, etc.胸部、耳部等感染▸➤pulmonary, respiratory, urinary tract, etc.肺部、呼吸道、尿路等感染▸➤herpes, HIV, yeast (NAmE) , etc.皰疹、艾滋病病毒、酵母菌等感染➤opportunistic機會性感染VERB + INFECTION➤have, suffer, suffer from受感染◇He's suffering from an acute lung infection.他患了急性肺部感染。➤be at risk from, be at risk of, be prone to, be susceptible to, be vulnerable to有被感染的危險；易受傳染◇Goats appear to be more susceptible to the infection than sheep.山羊似乎比綿羊更容易受感染。➤be exposed to暴露於易受感染的環境◇Vaccination is essential to protect people exposed to hepatitis B infection.接種疫苗對保護和乙型肝炎病毒接觸的人群是至關重要的。➤acquire, catch, contract, develop, get感染疾病；被傳染；感染◇She's always getting chest infections.她的胸腔總是感染。➤cause造成感染▸➤pass, pass on, spread, transmit傳染疾病；傳播疾病◇The infection is passed on through the horse feed.這種傳染病是通過馬飼料傳播的。➤carry感染◇Almost all the sheep on the farm carried the infection.農場裏幾乎所有的綿羊都攜帶這種致病菌。➤guard against, protect sb/sth from防範感染；保護⋯以免受感染◇to protect the body from infection保護身體免受感染➤avoid, prevent避免／預防感染➤combat, fight抵抗感染◇The virus affects the body's immune system so that it cannot fight infection.這種病毒會影響身體的免疫系統，使身體不能抵抗感染。➤fight off, kill抵抗／消滅傳染病菌◇Normally, white blood cells fight off and kill infections.正常情況下，白細胞能抵抗並消滅傳染病菌。➤recover from感染後康復▸➤leave/make sb susceptible to, leave/make sb vulnerable to使某人易受感染▸➤die from, die of死於感染▸➤diagnose, diagnose sb with診斷（某人）受到感染➤treat, treat sb for（為某人）治療感染INFECTION + VERB➤develop, occur傳染病出現◇an infection that occurs in swans在天鵝中出現的傳染病➤spread感染擴散◇They want to prevent the infection spreading to other parts of the body.他們想阻止感染向身體的其他部位擴散。➤cause sth, result in sth, trigger sth感染導致⋯／引起⋯／引發⋯◇Heavy lung infections may result in pneumonia.嚴重的肺部感染可能會引起肺炎。PREPOSITION➤in infection處於感染狀態◇In acute infections of the urinary tract the patient may suffer severe pain.患急性尿路感染的病人可能會出現劇烈疼痛。➤infection from由⋯引起的感染◇infection from sewage water污水引起的感染➤infection through通過⋯傳染◇infection through unsafe sex因不安全性行為導致的感染➤infection with感染⋯◇infection with bacteria細菌感染PHRASES➤a cause of infection, the onset of infection感染的原因／發作◇The drug must be taken from the onset of the infection.這種藥必須在感染發作初期就服用。➤resistance to infection對感染的抵抗◇Taking vitamin C builds up your resistance to infection.攝取維生素 C 可以增強對傳染病的抵抗力。➤a risk of infection, a site of infection (medical醫學) 感染的危險；感染部位◇The urethra was the primary site of infection.尿道是原發感染部位。➤a source of infection傳染源◇We are trying to trace the source of infection.我們正在努力查找傳染源。➤the spread of infection傳染病的傳播  ➡ topic at illness

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