At 6 days p.i. IFN-γ, IL-8, MCP-1, and macrophage inflammatory protein-1 alpha (MIP-1α) mRNA levels are increased in infected levels compared to controls while IFN-β, TNF-α, TGF-β, IL-10, and Regulated upon Activation, Normal T-cell Expressed, and Secreted (RANTES) mRNA are all decreased by infection with RSV. Here, CCL3 is linked to infection.