As large parts of the world prepare for a second wave of coronavirus cases governments have pinned their hopes on the rapid development of a vaccine to provide a route out of the pandemic.
世界大部分地区准备应对第二波新型冠状病毒肺炎(Covid-19,即2019冠状病毒病)疫情之际,各国政府已将希望寄托于通过快速研发出一款疫苗来结束这场大流行病。
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