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Table 1 Geometric means of antibody levels against serogroups A, C, W135, and Y

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%)

19 (95.0%)

IgG GMC (μg/ml)

17.4

4.9

2.1

2.4

≥ 2 μg/ml (%)

20 (100.0%)

13 (68.4%)

8 (40.0%)

8 (40.0%)

  1. SBA: serum bactericidal assay; IgG: Immunoglobulin G; GMT: geometric mean titer; GMC: geometric mean concentration in μg/ml.