CXCL10 and infection: Consistent with previous reports, the absolute numbers of neutrophils, monocytes and monocyte-derived dendritic cells increased within Cxcl10+/+ lung parenchyma post infection 15; however, we found no difference in their accumulation between infected Cxcl10+/+ and Cxcl10−/− mice (Fig. 3H–L).