CXCL9 and severe acute respiratory syndrome: In fact, highly elevated expression of inflammatory mediators such as interleukin (IL)-1, -6, and -8, CXCL10/interferon-inducible protein (IP)-10, CCL2/monocyte chemoattractant protein (MCP)-1, CCL5/regulated on activation, normal T expressed and secreted (RANTES), and CXCL9/monokine induced by interferon gamma (MIG), has been described within the circulation and lungs of SARS patients [46], [47], [48], [49], [50], [51].