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. 2011 Mar 25;6(3):e17965. doi: 10.1371/journal.pone.0017965

Figure 2. Dynamics of activated T cells in blood as determined by HLA-DR expression on T cell subsets.

Figure 2

A) Representative gating strategy showing HLA-DR expression on CD3+ T cells prior to infection and 21 days after infection. B) Mean percentages of HLA-DR expression on total T cells (CD3+), and on CD4+ and CD8+ T cell subsets in SHIVsf162p3 (filled circles) and SIVmac251-infected (open squares) RMs in early and chronic (3 months) infection. Means±SEM are shown. Asterisks indicate significant differences (P<0.05) between groups.