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Serogroup C serum bactericidal antibody titres (95% CI) in children whom had received MCC-TT a month before, after or at the same time as their DT or Td booster vaccineAdapted from Burrage et al. 2002.8 DT = pre-school booster of diphtheria and tetanus; Td = school leavers dose of Tetanus and diphtheria reflecting lower dose of diphtheria.
