濃のう厚こう接せっ触しょく

noun

close contact (with an infected person)

Medical term used in infectious disease contexts, especially during outbreaks like COVID-19, to describe prolonged or unprotected exposure to a confirmed case.

• 保ほ健けん所じょから濃のう厚こう接せっ触しょく者しゃとして連れん絡らくがあった。

  I was contacted by the public health center as a close contact.

• 濃のう厚こう接せっ触しょくの定てい義ぎは、マスクなしで15分ふん以い上じょう会かい話わすることだ。

  The definition of close contact is talking without a mask for 15 minutes or more.