Transcript levels for various cytokines/chemokines (KC [CXCL1], MCP-1 [CCL2], MIP-1α, IFN-γ, IL-4, IL-5, IL-6 and IL-10) were determined in lungs of infected mice on days 1, 6 and 9 post-infection. Here, CXCL1 is linked to infection.