A two-metre distance is significantly more effective at reducing the transmission of Covid-19 than one metre, according to the most comprehensive study of viral transmission to date published in The Lancet on Monday.
根據週一發表在《柳葉刀》(The Lancet)上的迄今最全面的病毒傳播研究報告，在減少新型冠狀病毒肺炎（COVID-19，即2019冠狀病毒病）傳播方面，人與人保持兩米的距離比保持一米距離要有效得多。
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