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. 2022 Jun 16;13:927443. doi: 10.3389/fimmu.2022.927443

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Copyright © 2022 Sun, Zhang, Zhao, Yang, Shi, Xu, Liu, Guan, Shi and Liu

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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Levels of specific antibody expression in different tissues 60 days after secondary immunization. (A) Changes in IgM levels in serum at different time periods; (B) changes in IgT levels in skin mucosa at different time periods; (C) changes in IgT levels in intestinal mucosa at different time periods. Data are presented as mean ± SD and P values were calculated using one-way ANOVA and LSD post hoc tests. * represents p<0.05, ** represents p<0.01.