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July 22, 2021
Uncategorized

莫德納:疫苗對變種病毒有效 將測試追加劑量

製藥公司莫德納 (Moderna) 周一 (25 日) 表示,自家疫苗將能對抗在英國和南非發現的變種病毒,不過針對南非的變種病毒株的抗體反應可能減弱,預防起見,將進行追加劑量的新測試。

莫德納周一表示,新冠疫苗在實驗室中可對抗變異病毒,但安全起見將研發補強針,鞏固免疫系統反應。Moderna 指出,自家疫苗針對英國變種病毒株的抗體反應未減弱,對南非病毒株的抗體反應則減弱,但相信目前兩劑的方案依然可以提供保護效力。Moderna 正在研究未來推出「追加劑量」的可能性,一旦有證據顯示現有疫苗對南非病毒株效力下降,就能加以改善。追加劑量可能是利用現有疫苗,也可能是針對南非變種病毒設計新的疫苗。

Moderna 總裁 何其(Stephen Hoge) 說:「病毒不可能一成不變。雖然疫苗對現有病毒株有效… 如何保持靈活、開發潛在的工具和療法依然重要,這樣才能繼續擊退病毒。」

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