不妨查查Dr. Fauci 和文獻,變異不大,不是沒有變異,所以疫苗有希望
回答: 提醒一下,COVID-19 是指這個傳染病,不是致病的那個病毒。那個新冠病毒,官方名字叫SARS-CoV-2。另外,這個病毒變異
由 zhuanqian
於 2020-04-04 00:06:52
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