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. 2022 Sep 29;13:842468. doi: 10.3389/fimmu.2022.842468

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Copyright © 2022 Ruiz, Siracusano, Cottignies-Calamarte, Tudor, Real, Zhu, Pastori, Capron, Rosenberg, Temperton, Cantoni, Liao, Ternette, Moine, Godement, Geri, Chiche, Annane, Cramer Bordé, Lopalco and Bomsel

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Specific IgG and IgA responses in COVID-19+ survivors vs non-survivors. (A) Specific S1-, S2-, RBD-, and NP-specific IgG and IgA responses in survivors and non-survivors. p-Values were calculated by using Wilcoxon test (A, B) Dashed line: cutoff value for antibody detection. (C) Comparison of the kinetics from the cross-sectional SARS-CoV-2-specific IgG responses in survivors (S) versus non-survivors (NS). (D) Comparison of the kinetics from the cross-sectional SARS-CoV-2-specific IgA responses in survivors (S) versus non-survivors (NS). All correlations were calculated using Spearman’s test. *, p < 0.05; **, p < 0.01. RBD, receptor-binding domain; NP, nucleocapsid protein.