The early and enhanced expression of CXCL-10/IP-10 (Figures 7 and 8), a potent chemoattractant for activated T cells and NK cells [67], [68] within the circulation and the lungs of patients affected by SARS, has been associated with adverse outcomes in SARS [11], [12]. The gene discussed is CXCL10; the disease is severe acute respiratory syndrome.