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| Antigens | Group A (1x105, n = 15) | Group B (1x106, n = 15) | ||
|---|---|---|---|---|
| IgA | IgG | IgA | IgG | |
| Serum | 9 (60.0%) | 9 (60.0%) | 7 (46.7%) | 9 (60.0%) |
| ALS | 10 (66.7%) | 12 (80.0%) | ||
| Fecal | 9 (60%) | 11 (73.3%) | ||
aFor serum a 2.5 fold or greater and for ALS and fecal samples a 4 fold or greater rise in titers from baseline were considered a response.
