Virus may spread by cold food
新发地疫情或源自冷链
Chinese scientists have discovered that the COVID-19 outbreak in Beijing in June was likely to have been triggered by cold-chain imports from overseas.
我国科学家发现，今年6月北京新冠肺炎疫情再现可能源自冷链进口食品污染。
The study was published online on Friday in China's peer-reviewed journal, the National Science Review.
这份研究报告10月23日在同行评议期刊《国家科学评论》上在线发表。
A new cluster of local infections linked to the massive Xinfadi wholesale market in Beijing's Fengtai district emerged on June 11 after the capital reported no new local cases for 56 consecutive days.
6月11日，北京市在连续56天未报告本地病例后，出现了与丰台区新发地批发市场相关联的聚集性新冠疫情。
The outbreak, which prompted a mass testing campaign covering about half of the over 20 million residents of the capital, saw 335 confirmed cases.
疫情发生后，北京市立即展开大规模核酸检测，逾2000万居民中的半数接受了检测，共发现335例确诊病例。