Elevated levels of CCL3, CCL4, CCL5 and CXCL9 mRNA were detected in the livers of both WT and WSX-1−/− mice on day 7 of infection, whereas CCL3, CCL4, CCL5 and CCL20 mRNA levels were increased on day 14 of infection. The gene discussed is CXCL9; the disease is infection.