Fig. 1From: Meningococcal ACWY conjugate vaccine immunogenicity in adolescents with primary or secondary immune deficiencies, a prospective observational cohort studyGeometric mean concentrations of meningococcal serogroup A, C, W and Y (MenACWY) polysaccharide (PS)-specific serum antibody concentrations of study participants and healthy controls during follow-up. Dots indicate geometric mean concentrations with 95% confidence intervalBack to article page