Inflammatory monocytes can rapidly recruit and migrate to the region of injury or infection via C-C chemokine receptor type 2 (CCR2), C-C motif chemokine ligand 2 (CCL2), monocyte chemotactic protein-1 (MCP-1), and C-X-C motif ligand 10 (CXCL10). Here, CCL2 is linked to infection.