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July 22, 2021
Uncategorized

莫德納疫苗對青少年96%有效 追加劑可對變種病毒產生免疫

藥廠莫德納(Moderna)週四(6日)稱,初步數據顯示,該公司的新冠疫苗對12至17歲青少年的有效性為96%,沒有嚴重的安全問題。此外,根據一項小型臨床試驗的初步數據顯示,追加劑可對新冠變種病毒產生免疫反應。

共3,235名12至17歲的青少年參與了莫德納的二期臨床試驗,這些青少年至少接種了一劑疫苗,而且此前沒有感染過新冠病毒。初步數據顯示,新冠疫苗對12至17歲青少年的有效性為96%,且沒有嚴重的安全問題。該公司報告稱,沒有青少年在接種第一劑或第二劑疫苗時出現嚴重反應。

莫德納還在進行另一項針對6個月至11歲兒童的疫苗研究,但沒有提供更多細節。

此外,莫德納首席執行官班塞爾(Stephane Bancel)同日表示,隨著南半球進入秋冬季節,該公司預計未來將出現更多的變種病毒,因此人們可能會需要額外的第三劑疫苗。

莫德納藥廠此前針對40人進行早期臨床人體實驗,結果發現接種完第三劑疫苗可以有效增強免疫力,對抗巴西和南非的變種病毒株。莫德納公司正在測試結合了其他兩種追加劑的第三種追加劑,計劃在近期宣布測試結果。

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