Meanwhile, Beijing is pushing a narrative that the virus may have existed outside China before it was discovered in Wuhan, partly due to scientific papers that suggested may have circulated in Europe in 2019.
與此同時,北京正在推動一種說法,即病毒可能在武漢發現之前就已經存在於中國以外的地方,部分原因是科學論文表明可能在2019年在歐洲流傳。