patient zero 零號病人

patient zero
繁：零號病人
简：零号病人

意大利疫情變化之快，反映這場防疫戰的困難。有傳染病專家指出，病毒正無聲無息地在在歐亞蔓延，因為有病人根本無病徵，以往有效的旅客篩查措施都「走漏眼」，也令到難以追查病毒源頭，即所謂「零號病人」。當局難以制定措施去堵截社區傳播，意大利就是這種情況。

專家指新冠病毒隨「隱形病人」傳播　防疫戰更困難（2020年2月26日）。Now 新聞，取自https://news.now.com/home/international/player?newsId=382086

Officials have yet to track down the first carrier of the virus in the country. “We still cannot identify patient zero, so it’s difficult to forecast possible new cases,” Borrelli said at an earlier press conference.

Coronavirus cases soar in Italy as authorities scramble to find patient zero. (2020, February 24). CNN. Retrieved from https://edition.cnn.com/2020/02/23/europe/italy-novel-coronavirus-spike-intl/index.html