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60岁及以上成年人接种第四剂BNT162b2疫苗前后的体液和T细胞反应

Humoral and T-Cell Response before and after a Fourth BNT162b2 Vaccine Dose in Adults ≥60 Years.

作者信息

Bar-Haim Erez, Eliakim-Raz Noa, Stemmer Amos, Cohen Hila, Elia Uri, Ness Asaf, Awwad Muhammad, Ghantous Nassem, Moskovits Neta, Rotem Shahar, Stemmer Salomon M

机构信息

Department of Biochemistry and Molecular Genetics, Israel Institute for Biological Research, Ness Ziona 7410001, Israel.

Department of Medicine E, Rabin Medical Center, Beilinson Hospital, Petah Tikva 4941492, Israel.

出版信息

J Clin Med. 2022 May 8;11(9):2649. doi: 10.3390/jcm11092649.

Abstract

Both humoral and cellular anamnestic responses are significant for protective immunity against SARS-CoV-2. In the current study, the responses in elderly people before and after a fourth vaccine dose of BNT162b2 were compared to those of individuals immunized with three vaccine doses. Although a boost effect was observed, the high response following the third administration questions the necessity of an early fourth boost.

摘要

体液和细胞记忆反应对于针对严重急性呼吸综合征冠状病毒2(SARS-CoV-2)的保护性免疫均具有重要意义。在本研究中,将老年人在接种第四剂BNT162b2疫苗前后的反应与接种三剂疫苗的个体的反应进行了比较。尽管观察到了加强效果,但第三次接种后的高反应性让人质疑早期进行第四次加强的必要性。

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