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Bactericidal activity of sera from patients vaccinated with 10 μg NP-polySA against group B meningococcus in the presence of rabbit complement
| Patient | Bactericidal activity antisera dilution able to give | |
|---|---|---|
| 50% killing | 80% killing | |
| 1 | 512 | 256 |
| 2 | 128 | 4 |
| 3 | 128 | 4 |
| 4 | 1,024 | 1,024 |
| 5 | 2,048 | 2,048 |
| 6 | 512 | 64 |
| 7 | 8,192 | 2,048 |
| 8 | 1,024 | 1,024 |
| 9 | 2,048 | 512 |
