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福奇:新数据表明疫苗似乎对变种新冠病毒株效用降低
阿思达克 01-22 11:41
美国国立过敏与传染病研究院总监福奇(Anthony Fauci)表示,有新数据显示目前在市面的新冠病毒疫苗,在预防更具传染性的变种病毒株时效用有所降低。

论文预印网站bioRxiv上的研究发现,在南非发现的变种病毒株可逃避某些抗体,并可能会降低目前疫苗的功效。

福奇表示,疫苗仍然可以提供足够的保护性,而疫苗效力下降就正好需要更多的人接种疫苗,因病毒传播并自我复制时就会发生变种,如果足够多的人接种疫苗就可产生群体免疫,这就可以降低病毒变种。

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