不妨查查Dr. Fauci 和文献,变异不大,不是没有变异,所以疫苗有希望
回答: 提醒一下,COVID-19 是指这个传染病,不是致病的那个病毒。那个新冠病毒,官方名字叫SARS-CoV-2。另外,这个病毒变异
由 zhuanqian
于 2020-04-04 00:06:52
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