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.
對(duì)最早于2019年10月在意大利采集的血液樣本重新進(jìn)行的檢測(cè)重燃了一場(chǎng)辯論，其焦點(diǎn)問(wèn)題是：在中國(guó)當(dāng)局確認(rèn)武漢首例病例之前，新冠病毒是否已在歐洲傳播？
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