mass infection 集體感染

mass infection
繁：集體感染
简：集体感染

南韓中央防疫對策本部今日公布，昨日（6日）新增483人感染新冠肺炎，累計確診6767宗。重災區大邱市出現屋苑爆發集體感染，逾百名居民中出現46宗確診，當局宣布封樓。

南韓昨新增483宗確診 大邱市爆發集體感染要封樓（2020年3月7日）。頭條日報，取自https://hd.stheadline.com/news/realtime/wo/1717245/

Another mass infection case came from an apartment complex in Daegu, with a third of its residents infected with the novel coronavirus.

(2nd LD) S. Korea’s virus cases top 6,700, mass infection reported at apartment in Daegu. (2020, March 7). Yonhap News Agency. Retrieved from https://en.yna.co.kr/view/AEN20200307001052315