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Average frequency of PA-specific T cells in vaccinated and unvaccinated subjects.
| Epitope | Vaccinated | Unvaccinated | Approximate expansion |
|---|---|---|---|
| PA713-732 | 500 per million* | 5 per million | 100-fold |
| PA401-420 | 60 per million | 1 per million | 60-fold |
| PA505-524 | 22 per million | 0.1 per million | 200-fold |
Frequency per million total CD4+ T cells.
