V2EX infectiousness

Infectiousness

Definition / 定义

infectiousness(名词):传染性;可传染的程度。常用于流行病学语境,指病原体或疾病在人与人之间传播的能力强弱。(也可泛指“容易被感染/带动”的特性,但较少见。)

Pronunciation / 发音

/nfeksns/

Examples / 例句

Handwashing reduces the infectiousness of many diseases.
勤洗手能降低许多疾病的传染性。

Researchers estimated the infectiousness of the virus by tracking how quickly cases rose in different communities.
研究人员通过追踪不同社区病例上升的速度,来估算该病毒的传染性。

Etymology / 词源

infectious(传染的)+ -ness(名词后缀,表示“性质/状态”)构成。infectious 源自拉丁语 inficere,意为“染上、使沾染”,后来在英语中发展出“使感染、可传播”的含义。

Related Words / 相关词

Literary Works / 文学作品

(该词更常见于科普与纪实写作、公共卫生讨论中;在涉及瘟疫/传染病主题的英文作品里也可能出现。)

  • The Plague(Albert Camus,《鼠疫》;英文译本/相关评论中常讨论疾病的传播与“传染性”概念)
  • A Journal of the Plague Year(Daniel Defoe,《大疫年日记》;关于瘟疫传播的叙述中常涉及类似术语)
  • Spillover(David Quammen,《溢出:人畜共患病的兴起》;科普写作中常用到 infectiousness 等流行病学词汇)
  • The Coming Plague(Laurie Garrett,《即将到来的瘟疫》;公共卫生纪实中常出现相关术语)
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