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. 2024 Feb 15;20(1):2308375. doi: 10.1080/21645515.2024.2308375

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© 2024 The University of Mississippi Medical Center. Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent.

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Figure 6. — RBD-specific IgG titers for wild type (a), Delta (b), and Omicron (c) were compared at visit three, prior to seroconversion, and at visit four, following seroconversion, among participants who seroconverted for NP-specific IgG by visit 4 and participants who never seroconverted. RBD-specific IgG titers did not significantly differ between the two groups at visit 3, prior to seroconversion. By visit four, NP-specific IgG seroconverters had significantly higher RBD-specific IgG, which is consistent with an immune response to natural infection.