弱じゃく毒どく

noun

low toxicity; low virulence

Medical term describing a pathogen or substance with reduced harmful effects. Often contrasted with 強毒 (high virulence).

See also: 強毒

• このウイルスは弱じゃく毒どく株かぶなので、症しょう状じょうは軽かるい。

noun

attenuation

Refers to the process or state of reducing virulence, often in vaccine development. Related term: 弱毒化 (attenuation process).

See also: 弱毒化

• ワクチンには弱じゃく毒どくした病びょう原げん体たいが