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大数据发现:美国新冠零号病人可能2019年4月就已出现

大数据发现:美国新冠零号病人可能2019年4月就已出现

China Daily
Saturday, September 25, 2021 05:13:59 AM UTC

研究人员表示,他们认为美国第一例新冠肺炎病例有50%的概率出现在2019年8月至10月之间。

据新华社报道,中科院预印本平台(ChinaXiv)22日发布的一项基于大数据建模分析的新冠肺炎疫情起源时间研究结果表明,美国新冠肺炎疫情较大概率于2019年9月前后已开始流行。

A study of big data and epidemic models indicates with 50 percent probability that the first COVID-19 infection in the United States may have occurred between August and October 2019, and the earliest possible case was on April 26, 2019, in Rhode Island, according to a preprint of a study published on Wednesday.中科院预印本平台22日发布的一项基于大数据建模分析的研究结果表明,美国新冠肺炎疫情首例感染发生概率50%的日期多数位于2019年8月到10月,最早是罗德岛州的2019年4月26日。

病毒溯源对传染病防治至关重要,此前一系列研究显示,美国、西班牙、法国、意大利、巴西等多国早在新冠肺炎疫情在中国暴发前就已出现遭病毒侵袭的痕迹。

"A series of previous studies showed that the United States, Spain, France, Italy, Brazil and other countries had been attacked by the coronavirus before its outbreak in China," the researchers wrote.研究人员写道:“此前一系列研究显示,美国、西班牙、法国、意大利、巴西等多国早在新冠肺炎疫情在中国暴发前就已出现遭病毒侵袭的痕迹。”

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