科昂说：“他病了15天，传染给了两个孩子，但在超市工作的妻子没有被感染。”

“He was amazed, he didn’t understand how he had been infected. We put the puzzle together and he had not made any trips. The only contact that he had was with his wife.”

“他很吃惊，不明白自己是怎么被感染的。我们把线索集中在一起，他没有旅行史，唯一的密切接触者是他的妻子。”

Researchers in the US have also started finding evidence that the virus was infecting and killing people earlier than the country's first reported cases.

美国的研究人员也开始发现证据表明新冠病毒的感染和死亡病例早于该国首次报告的病例。

"Identifying the first infected patient is of great epidemiological interest as it changes dramatically our knowledge regarding SARS-COV-2 and its spreading in the country. Moreover, the absence of a link with China and the lack of recent travel suggest that the disease was already spreading among the French population at the end of Dec, 2019," they wrote.

研究人员写道：“确认第一个被感染的患者对流行病学很有意义，因为它极大地改变了我们对新冠病毒及其在法国传播的认识。此外，首个病例与中国没有联系，也没有近期的旅行史，这些都表明，在2019年12月底，新冠肺炎已经在法国人群中传播了。”

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