ITGAM and infection: We noted a higher extent of infection of BM cells derived from p47phox−/− mice as compared to that noted in BM cells from WT mice (CD11b+ macrophages: 71% versus 36%; Ly6+ neutrophils: 23.5% versus 13.5%; p47phox−/− versus WT, respectively, Fig. 2A & Fig. 2B.a).