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Kinetic expression of percent HLA-DR upon CD4+ (•) and CD8+ (○) T lymphocytes in peripheral blood of SIVagm.sab92018-infected Caribbean AGMs. A significant but transitory activation of CD8 T cells can be observed during the primary infection. No modification of the activation status was observed for the CD4+ T cells in SIVagm.sab-infected Caribbean AGMs.
