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Figure S1. WT and IFN-IR0 P14 CD8 T cells were transferred separately into congenically marked (Ly5.1) naive mice. Expression of intracellular bcl-2 (A) or IL-7R{alpha} (B) was analyzed on donor CD8 T cells (solid line, WT; dotted line, IFN-IR0; shaded histogram, isotype control) at the indicated days after LCMV infection. n = 3 mice per group at days 1 and 4; n = 4 mice per group in naive and at day 3. The immunizations were staggered, and all the staining was done at the same time in the analysis. Similar results were seen in a different experiment in which day 3 mice were analyzed. MFI, mean fluorescent intensity.