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