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Shigella functional antibody (SBA and OPKA) titers.
| Antigen | Cord blood | Maternal serum | Transfer ratio |
|---|---|---|---|
| GMT (range) | GMT (range) | Median (range) | |
| S. flexneri 2a SBA | 1,227 (200-113,628) | 44,076 (6,889-1,278,483) | 0.02 (0.00-2.78) |
| S. flexneri 2a OPKA | 895 (100-178,424) | 26,944 (2,770-596,279) | 0.03 (0.00-1.77) |
| S. sonnei SBA | 832 (200-13,536) | 1,017 (200-17,916) | 0.91 (0.19-13.61) |
| S. sonnei OPKA | 245 (100-2,468) | 357 (100-2,460) | 0.75 (0.18-3.03) |
