Table 2.
GMTs for serogroups A, C, W, and Y before and 1 month after a booster dose of MenACWY-TT (booster ATP cohort).
N | Prebooster GMT (95% CI) | 1 Month Postbooster GMT (95% CI) | |
---|---|---|---|
Serogroup A | |||
MenACWY-TT | 162 | 248.4 (181.4–340.2) | 3760.1 (3268.3–4325.9) |
MenACWY-PS | 51 | 142.7 (80.5–252.9) | 2956.0 (2040.5–4282.1) |
Serogroup C | |||
MenACWY-TT | 162 | 244.2 (181.6–328.5) | 8697.7 (7391.2–10,235.1) |
MenACWY-PS | 51 | 177.4 (86.1–365.3) | 3879.3 (2714.6–5543.7) |
Serogroup W | |||
MenACWY-TT | 162 | 145.5 (97.6–217.1) | 11,243.4 (9366.8–13,496.0) |
MenACWY-PS | 51 | 16.4 (9.2–29.4) | 3674.0 (2353.9–5734.4) |
Serogroup Y | |||
MenACWY-TT | 162 | 446.5 (332.7–599.1) | 7584.8 (6748.4–8524.7) |
MenACWY-PS | 51 | 32.9 (17.1–63.3) | 3295.5 (1998.7–5433.7) |
ATP = according to protocol; GMT = geometric mean titer; MenACWY-PS = quadrivalent meningococcal polysaccharide vaccine; MenACWY-TT = quadrivalent meningococcal tetanus toxoid conjugate vaccine.