Analysis of the secreted cellular proteins (cell secretome) of experimentally latently infected CD34+ and CD14+ cells have identified the induced expression of chemokines, which can recruit T cells as well as the cellular cytokines IL-10 and TGF-β, both of which can modulate the activity of T cells which have migrated to the environment surrounding the latent infection (44). This evidence concerns the gene IL10 and disease arising from reactivation of latent virus.