アウトブレイク

noun

outbreak (of a disease)

Primarily used in medical or epidemiological contexts to refer to the sudden occurrence of a disease. Less commonly used for non-disease outbreaks compared to English.

• 新しん型がたインフルエンザのアウトブレイクが報ほう告こくされた。

  An outbreak of a new strain of influenza was reported.

• 保ほ健けん所じょはアウトブレイクの原げん因いんを調ちょう査さしている。

  The public health center is investigating the cause of the outbreak.