集しゅう団だん感かん染せん

noun

mass infection; outbreak; cluster of infections

Refers to a group of people becoming infected with the same disease in a shared setting, such as a school, workplace, or hospital. Commonly used in news and public health contexts.

• 病びょう院いんで集しゅう団だん感かん染せんが発はっ生せいした。

  A mass infection occurred at the hospital.

• 学がっ校こうでの集しゅう団だん感かん染せんを防ふせぐために、手て洗あらいを徹てっ底ていしている。

  To prevent an outbreak at the school, they are thoroughly enforcing handwashing.