China has reported no new cases of coronavirus from local transmission for the first time since January but worries persist about a potential second wave of infections from abroad.
中國自1月以來首次報告全國範圍沒有2019冠狀病毒病(COVID-19)本土新增病例,但各方仍擔心潛在從境外輸入的第二波疫情。
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