Levels of MCP2, TGF-β1, IFN-α, IFN-β, IFN-γ, IL1-α IL1-β, IL-2, IL-5, IL-6, IL-8, IL-10, IL-12 p35, IL-12 p40, OAS, PKR, TNF-α, MX-1, and VCAM were assessed using commercial ELISAs following manufacturer protocols in sera of animals challenged at early times (7, 10 and 14 days) post Pret4Δ9GL virus infection. The gene discussed is CXCL8; the disease is viral infectious disease.