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Table 1 CD8+Naïve, TCM, and TEM cells frequency for gated lymphocytes 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 Naïve Baseline Naïve Ag stimulated TCM Baseline TCM Ag stimulated T EM Baseline T EM Ag stimulated T EMRA Baseline T EMRA Ag stimulated
20-40 y 40 ± 15 35 ± 11 3.5 ± 2 2.7 ± 1.2 20.4 ± 8 28 ± 7 32.7 ± 9 35.6 ± 8
41-60 y 38.7 ± 15 40.5 ± 24 3 ± 1.4 5 ± 4 21 ± 10 26 ± 17 37.8 ± 10 28.7 ± 14
> 60 y 37.7 ± 13 37 ± 10.5 4.2 ± 1.9 5 ± 3.4 19.6 ± 10 25 ± 12 33.7 ± 10 32.1 ± 12
  1. Values are given as percentage frequency ± SD