Analysis of macrophage‐related cytokines and chemokines found that Tnf, Il1b, Il1a, Ilrn, Il17ra, Cxcl1, Cxcl2, Ccrl2, Ccl3, Ccl4, and Ccl9 expression significantly increased over the course of infection (Figure 3E). This evidence concerns the gene CXCL1 and infection.