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. 2022 Jan 18;94(5):2008–2018. doi: 10.1002/jmv.27572

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This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

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Characteristics of virus‐specific IgA response induced with the mRNA vaccine. (A) Individual values of RBD‐binding IgA index on D0, D21, and D51. Means are denoted. Dotted line corresponds to the cut‐off level (0.8), ***p < 0.001. (B) Dynamics of individual RBD‐specific IgA responses in the subgroup with high IgA values on D21 to D51. (C) Dynamics of individual RBD‐specific IgA responses in the rest of the volunteers. IgA, immunoglobulin A; mRNA, messenger RNA; RBD, receptor‐binding domain