CD4 and disease arising from reactivation of latent virus: Besides, in young individuals, CMV latent infection associates with the expansion of CD57+CD161−CD300a+CD4+, CD57−CD161−CD300a+CD4+, CD57+CD161−CD300a+CD8+, CD57−CD161−CD300a+CD8+, CD57+CD161−CD300a+NKT-like, and CD57+CD161−CD300a+DN T-cells.