preliminary positive case 初步陽性個案

preliminary positive case
繁：初步陽性個案
简：初步阳性个案

Officials later found out that five preliminary positive cases had also had lunch there on February 19.

Chinese restaurant in TST hit by Covid outbreak. (2021, February 24). RTHK. Retrieved from https://news.rthk.hk/rthk/en/component/k2/1577291-20210224.htm?archive_date=2021-02-24

10多宗本地初步陽性個案中，至少6宗源頭不明。

增10多宗初步陽性　太子花墟店員傳染期曾賣花、兩宗涉拜年活動（2021年2月23日）。香港 01，取自 https://bit.ly/3aQbB0h