8 days post-infection with LCMV Ly49 KO demonstrate the marginally less pronounced expansion of CD8 T-cells (Figures 5C–E), acquisition of KLRG1 by CD8 T-cells (Figure S3A), and slightly higher viral titer in the spleen on days 4 and 5 (Figure 5F). The gene discussed is KLRA1P; the disease is infection.