CD8A and infection: Chimeras were immunized with Lm-gB and treated with DT before Lm-gB challenge infection, and we monitored both LLO91–99/Kd and gB498–505/Kb Tet+ CD8+ TM cells for Ag-dependent chemokine (CCL3) and Ag-independent IFNγ production (Fig. 5B).