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Comparison of the serum bactericidal activity titers induced by NadA3 and NadA4 against homologous and heterologous strains
| Antigen | Adjuvant | Serum bactericidal activity titer
|
|
|---|---|---|---|
| Strain 2996 (allele 3) | Strain 65/96 (allele 4) | ||
| NadA3 | Freund's | 32,768 | <16 |
| Alum | 16,384 | 256 | |
| NadA4 | Freund's | 32 | 4,096 |
| Alum | 128 | 2,048 | |
