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. 2021 Oct 29;523:476–482. doi: 10.1016/j.cca.2021.10.035

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Fig. 1 — Correlation of anti-SARS-CoV-2 IgG levels and age at 1 month after vaccination. The antibody titers of 767 HCW are plotted against age; the dashed line represents the linear trend. Anti-S, anti-Spike RBD; AU, arbitrary units.