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劉澤星:應先集中提升接種率 免疫力低人士可考慮接種第三劑
阿思達克 07-17 10:51
新冠疫苗顧問專家委員會召集人劉澤星指,香港現時的接種率仍未達七成,未製造出免疫屏障,因此現時應先集中提升接種率,但相信一些免疫力低的人士,可能適合考慮接種第三劑疫苗。

他指,現時第三期臨牀數據都顯示,兩隻疫苗有效,不能單看抗體水平來審視疫苗保護力。而究竟要幾多抗體才起到足夠保護力,現時未有人知道,每項研究對抗體的量度方法不同,難作比較。

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