VCAM1 and infection: As shown in [Fig. 1 (E and F)], Vcam1+ MΦ cluster 7 also coexpresses CD11b (Itgam), CD11c (Itgax), Ly6C (Ly6c2), and CD64 (Fcgr1), suggesting that they may be MΦs that contribute to the formation of splenic granulomas during STm infection.