CD8A and myeloid sarcoma: The frequency of latent antigen-specific CD8+ T cells in inactive MS patients (1.8±2.6%, mean ± SD) tended to be higher than in HD (0.3±0.2%, mean ± SD; p = 0.07) and was significantly higher than in active MS patients (0.22±0.19%, mean ± SD; p = 0.05) (cumulative data and representative plots are shown in Figure 2 B and D, respectively).