In an inactivated vaccine, the coronaviruses are already killed or made into the ones unable to produce more new viruses.
在灭活疫苗中，冠状病毒已经被杀死或被处理至无法产生更多的新病毒。
In an inactivated vaccine, the coronaviruses are already killed or made into the ones unable to produce more new viruses.
在灭活疫苗中，冠状病毒已经被杀死或被处理至无法产生更多的新病毒。
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