vertical transmission 垂直傳播

vertical transmission
繁：垂直傳播
简：垂直传播

歐家榮：「葵盛5個單位同一層，不見似康美樓垂直傳播，較大機會是同層見面未必察覺，出出入入見到。五個家庭不是很熟，沒有探對方，只是同層住。」

銅鑼灣園中鴨子三人確診　兩人初步確診（2020年12月6日）。Now新聞，取自https://news.now.com/home/local/player?newsId=415593

Au said all residents in the same block would be given specimen bottles for them to submit their samples for testing, but they won’t be evacuated as there is no “vertical transmission”.

Covid cases found at AsiaWorld-Expo, public estate. (2020, December 6). rthk. Retrieved from https://news.rthk.hk/rthk/en/component/k2/1563849-20201206.htm