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Treg cell percentage ± SD on total CD4+ cells before and after in vitro stimulation with N-RSV1 peptide (30 μg/ml) in healthy blood donors within the three groups of age
| Subjects | Tregs Baseline |
Tregs Ag Stimulated |
|---|---|---|
| 20-40 y | 1.9 ± 0.6 | 2.6 ± 0.7 |
| 41-60 y | 1.8 ± 0.4 | 1.7 ± 0.3 |
| > 60 y | 3.2 ± 1 | 2.3 ± 0.7 |
