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. 2022 Oct 3;9:994160. doi: 10.3389/fmed.2022.994160

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Copyright © 2022 Hvidt, Baerends, Søgaard, Stærke, Raben, Reekie, Nielsen, Johansen, Wiese, Benfield, Iversen, Mustafa, Juhl, Petersen, Ostrowski, Lindvig, Rasmussen, Schleimann, Andersen, Juhl, Dietz, Andreasen, Lundgren, Østergaard, Tolstrup and the ENFORCE Study Group.

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 SARS-CoV-2-S IgG after COVID-19 vaccination: Levels of total SARS-CoV-2-S IgG in U/mL induced by primary COVID-19 vaccination with BNT162b2 (n = 22), mRNA-1273 (n = 24), ChAdOx1/mRNA (n = 20) or Ad26.COV2.S (n = 19) quantified by the MSD platform (serum 1:5,000). Data from convalescent comparators (n = 25) are also displayed, but are not included in the statistical analysis. From left to right: SARS-CoV-2-S wt (Wuhan-Hu-1) and the following SARS-CoV-2-S VOCs: B.1.1.7 (Alpha), B.1.617.2 (Delta), B.1.351 (Beta) and B.1.1.529; BA.1 (Omicron). The boxplots present the lower quartile, median and upper quartile, and the error bars indicate 95% CI. P-values were indicated as follows: ^***p < 0.001 and ^****p < 0.0001.