노원구 31번 환자는 공릉2동에 살며 자가격리중이던 14세 남학생으로, 어머니로부터 감염된 것으로 추정된다.
The 31st patient in Nowon-gu is a 14-year-old male student who lived in Gongneung 2-dong and was in self-quarantine, and is believed to have been infected by his mother.