国こく民みん病びょう

noun

national disease; disease affecting the whole nation

Refers to a disease that is widespread across a country or has a major impact on the national population. Often used in public health contexts.

• 高こう血けつ圧あつは日本にほんの国こく民みん病びょうと言いわれている。

  High blood pressure is said to be a national disease of Japan.