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新城健康＋
新城健康＋
新城健康＋

研究指打mRNA疫苗加強劑有效抗Omicron

January 21, 2022

香港大學與中文大學研究團隊發現,接種mRNA核酸疫苗作為加強劑,可產生較好的中和抗體水平應對Omicron變種病毒擴散.
研究指,接種兩劑科興或復必泰疫苗三至五星期後,應對Omicron的血清抗體水平顯著下降,超過8成接種復必泰作為第三針加強劑的人士,抗體水平足以抵禦Omicron,至於接種三劑科興,或早前曾受感染的人士,只有百分之三能誘發足夠抗體水平.
團隊補充,早前已證實接種科興疫苗能引發人體產生T細胞免疫反應,可解決中和抗體保護力下降的問題.

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