全球卫生专家:疫苗可能要等几个月

全球卫生专家警告称,冠状病毒的流行可能会进一步恶化,且疫苗的投入使用可能需要几个月的时间。

Coronavirus

A woman in a Guangzhou subway wearing protective gear due to the coronavirus outbreak in China. Source: EPA

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By Cindy Xie


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