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Concentrations and activation of total CD4+ and CD8+ T cells in the blood and gut mucosal compartments in persons with and without HIV-1 infection. The concentrations and expression of CCR5 and human leukocyte antigen (HLA)-DR are plotted for (a–c) CD4 + and (d–f) CD8+ T cells in both the blood and gut mucosal compartments of persons with (gray boxes) and without (white boxes) HIV-1 infection are plotted.
