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January 27, 2022
美國要聞

莫德納Omicron疫苗第二期實驗開始

製藥大廠莫德納(Moderna)宣布,目前針對Omicron病毒所研發的疫苗加強針,已經進入第二期實驗,正在驗證其安全性與有效性。

莫德納宣布,針對Omicron病毒研發的疫苗加強針已進入第二期實驗,計畫招募600名18歲以上成人參與,再將參與者分為「施打原始加強針」與「接種Omicron病毒加強針」共兩組。

莫德納指出,原先第三劑疫苗對Omicron病毒的有效性,在注射完後6個月下降6.3倍,對原始毒株則下降2.3倍,但接種者體內都還能檢測出中和抗體。

儘管目前研究證實,Omicron病毒所導致的疫情沒有前幾波這麼嚴重,但它的高傳染性也讓確診者快速增加,對全世界的醫療系統帶來極大壓力。

莫德納執行長班塞爾(Stephane Bancel)說,考量到Omicron病毒所帶來的長期威脅,該公司正在全力加速研發專門的加強針。

輝瑞和德國生技公司BioNTech日前也宣布,Omicron病毒的專門疫苗已開始招募1420名18至55歲的成年臨床試驗受試者,地點則選在美國和南非。

輝瑞執行長博爾拉(Albert Bourla)先前曾說,輝瑞可能在3月底前準備好替Omicron疫苗申請主管當局核准。

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