From: Persistence of antibodies in laboratory staff immunized with quadrivalent meningococcal polysaccharide vaccine
A
C
W135
Y
SBA GMT
256.0
598.8
97.0
531.0
≥ 8 (%)
19 (95.0%)
18 (94.7%)
13 (65.0%)
IgG GMC (μg/ml)
17.4
4.9
2.1
2.4
≥ 2 μg/ml (%)
20 (100.0%)
13 (68.4%)
8 (40.0%)