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Table 3 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

From: Age related changes in T cell mediated immune response and effector memory to Respiratory Syncytial Virus (RSV) in healthy subjects

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