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. 2023 Apr 28;14:1161571. doi: 10.3389/fimmu.2023.1161571

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Copyright © 2023 Patil, Shete, Yadav, Sapkal, Deshpande, Kaushal, Mohandas, Fulari, Jain, Kumar and Abraham

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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Antibody responses in vaccinated aged rhesus macaques. (A) Neutralizing antibody responses against the SARS-CoV-2 B.1 variant on different time points. (B) Neutralizing antibody responses against SARS-CoV-2 variants, B.1, delta, and beta on days 28 and 76. (C) S1-RBD and N protein IgG antibody response during the immunization with group 1, 2, and 3 vaccines.