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Fig. 3 | Immunity & Ageing

Fig. 3

From: Health characteristics associated with persistence of SARS-CoV-2 antibody responses after repeated vaccinations in older persons over time: the Doetinchem cohort study

Fig. 3

Changes in Wuhan (A) and Omicron (B) specific anti-S1 IgG antibody concentrations (log10 transformed) and the respective slopes after 1 month, and from 1 to 12 months following bivalent vaccination, stratified by sex and infection status. Regression parameters are derived using a linear mixed model and shaded areas correspond to the 95% confidence bands

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