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. 2022 Aug 1;13:966098. doi: 10.3389/fimmu.2022.966098

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Copyright © 2022 Liang, Xiang, Wang, Li, Quan, Feng, Li, Lu, Fan, Xu, Wang, Wang, Zhu, Wang, Yang, Liu and Zheng

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Kinetics of antibody responses in SARS-CoV-2 recovered patients with inactivated vaccination and the correlation between anti-S-RBD IgG and NAbs. (A) The dynamics of antibody titers (left Y-axis: anti-S-RBD IgG; right Y-axis: NAbs titers against WT and VOCs) within 3 months in SARS-CoV-2 recovered patients (baseline, N=40; post-vaccination 1 month, N=14, 2 months, N=10, and ≥3 months, N=16). (B) Sero-positivity within 3 months in SARS-CoV-2 recovered patients (baseline, N=40; post-vaccination 1 month, N=14, 2 months, N=10,and ≥3 months, N=16). (C) The correlation between anti-S-RBD IgG and NAbs pre- (N=40) and post- (N=40) vaccination in SARS-CoV-2 recovered group. Spearman’s rank correlation test was used for statistical analysis.