CIAO3 and diphtheria: Observed anti-PRP antibody GMCs were still lower in Group 1 and observed antibody GMCs or GMTs for PT, FHA, polio types 1, 2 and 3, in Group 3 remained lower at the 9 months post-priming time point (based on non-overlapping 95% CIs), while the observed antibody GMCs for PRN, diphtheria, and tetanus were similar across groups (overlapping 95% CIs) (Table 4).