To determine if the accumulation of PD-L2+ AAM from CX3CR1-GFP+ monocytes was CD4+ T cell dependent, we depleted CD4+ T cells from 5.5 to 6.5 weeks post-infection and analyzed PD-L2 expression on CX3CR1-GFP+ cells from the liver (Figure 8). Here, CD4 is linked to infection.