Fig. 4From: SARS-CoV-2 infection, vaccination, and antibody response trajectories in adults: a cohort study in CataloniaGeneralized additive models for associations of days since vaccination with antibody responses to the six isotype-antigen combinations in infected (red) and naïve (blue) participants after the a first and b second doses. Fitted lines after adjustment for participant’s age and type of vaccine. Plus symbols (+) represent measured responses for a specific participant. People vaccinated with the Janssen COVID-19 vaccine are not considered in this analysisBack to article page