Renewed tests of blood samples collected in Italy as early as October 2019 have revived a debate over whether coronavirus was circulating in Europe before Chinese authorities confirmed the first case in Wuhan.
对最早于2019年10月在意大利采集的血液样本重新进行的检测重燃了一场辩论，其焦点问题是：在manbetx3.0 当局确认武汉首例病例之前，新冠病毒是否已在欧洲传播？
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