传染源 (chuán rǎn yuán) — source of infection (e.g., a person, animal, or object that transmits a disease)

Definition

Examples

• 控制传染源是预防传染病的关键。
  Kòng zhì chuán rǎn yuán shì yù fáng chuán rǎn bìng de guān jiàn.
  Controlling the source of infection is key to preventing infectious diseases.
• 医生正在查找这次疫情的传染源。
  Yī shēng zhèng zài chá zhǎo zhè cì yì qíng de chuán rǎn yuán.
  Doctors are tracking down the source of infection for this outbreak.
• 隔离传染源可以有效阻断病毒传播。
  Gé lí chuán rǎn yuán kě yǐ yǒu xiào zǔ duàn bìng dú chuán bō.
  Isolating the source of infection can effectively block the spread of the virus.