The primary objective was met : after a Hib-MenC-TT booster dose at @ months of age the MenC rSBA geometric mean titres induced in infants primed with a single MenC-CRM dose were not inferior to those induced in participants primed with two MenC-CRM doses in infancy ( @ ( @ % confidence interval @ to @ ) v @ ( @ to @ ) ) with a corresponding difference in the mean log@ MenC rSBA of @ ( @ to @ ) that showed superiority of the single over the two dose schedule ) .