感かん染せん源げん

noun

source of infection

Refers to the origin or carrier of an infectious disease, such as a person, animal, or contaminated object.

• 感かん染せん源げんを特とく定ていするために調ちょう査さが行おこなわれた。

  An investigation was conducted to identify the source of infection.

• このウイルスの感かん染せん源げんはまだ分わかっていない。

  The source of infection for this virus is still unknown.