China has started international clinical trials for four Covid-19 vaccine candidates, the National Health Commission said on Monday.
中國(guó)國(guó)家衛(wèi)健委周一表示,中國(guó)已啟動(dòng)4款新型冠狀病毒肺炎(COVID-19,即2019冠狀病毒病)候選疫苗的國(guó)際臨床試驗(yàn)。
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