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Percentages of children with seroresponse against hypervirulent MenC strains
95% CI, 95% confidence interval; N, number of children; Group 1_MenACWY, MenACWY-CRM vaccination at 12 months of age; Group 1_MenC, MenC-CRM vaccination at 12 months of age. Seroresponse was defined for children with Visit 3 hSBA titer <1:4 as an hSBA titer ≥1:8 at Visit 4, and for children with Visit 3 hSBA titer ≥1:4 as a ≥ 4-fold rise in hSBA titers at Visit 4.
