Eighteen cytokines were elevated >2-fold relative to controls at 12 weeks of infection, including CD 30L, Fas ligand, Fractalkine, GCSF, IFN-γ, IL1-β, IL4, IL10, IL12p40/p70, IL12p70, IL17, I-TAC, Lymphotactin, MCP-1, MCSF, MIG, MIP-1α, and TIMP-2. This evidence concerns the gene IL1B and infection.