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根据一份报告，在该大流行病早期从中国武汉的一个市场采集的样本显示，有证据表明Covid-19病毒从动物跳到了人类。
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该报告发表在Zenodo.org开放科学网站上，并为华南海鲜批发市场作为该大流行病的中心建立了一个理由。
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在一些样品中发现了来自多种动物的遗传物质，包括对该疾病易感的浣熊犬，这表明动物可能感染了Sars-CoV-2。
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该报告还没有经过科学界的审查。
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世界卫生组织呼吁中国全面分享研究人员分析的基因数据，这些数据在3月11日被撤下之前曾短暂出现在一个公共数据库中。
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最新的报告使Covid-19的起源情况进一步复杂化。
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数据的存在并不是一个秘密，在大流行病早期从北京赶来的疾病侦探下令从2020年1月1日关闭的市场的排水管和其他表面收集环境样本。
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美国情报界的调查结果仍有分歧，联邦调查局和能源部的结论是，病毒很可能来自实验室事故。
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在样本中发现了几个动物物种的DNA，包括浣熊犬、马来西亚豪猪、西伯利亚黄鼠狼、阿穆尔刺猬和竹鼠。
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据进行分析的科学家说，这有力地支持了动物对人的传播催生了这种大流行的观点。
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Samples taken from a market in Wuhan, China, during the early days of the pandemic show evidence that the Covid-19 virus jumped from animals to humans, according to a report.
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The report was published on the Zenodo.org open science website and builds a case for the Huanan Wholesale Seafood Market as the epicentre of the pandemic.
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Genetic material from multiple animals, including raccoon dogs, which are susceptible to the disease, was found in some samples, indicating possible Sars-CoV-2 infections in animals.
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The report has not yet undergone review by the scientific community.
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The World Health Organisation has called on China to fully share the genetic data that the researchers analysed, which appeared briefly in a public database before being taken down on March 11.
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The latest report further complicates the picture of the origins of Covid-19.
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The existence of the data wasn’t a secret, and disease detectives that arrived from Beijing during the early days of the pandemic ordered environmental samples to be collected from drains and other surfaces at the market, which closed on Jan 1, 2020.
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The US intelligence community remains split in its findings, with the Federal Bureau of Investigation and Department of Energy concluding that the virus likely came from a lab accident.
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DNA from several animal species, including raccoon dogs, Malaysian porcupines, Siberian weasels, Amur hedgehogs, and bamboo rats, were found in the samples.
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This strongly supports the idea that animal-to-human transmission spawned the pandemic, according to the scientists who performed the analysis.
链接：Covid-19 report based on China samples puts suspicion back on raccoon dog origins