Serum levels of eotaxin, G-CSF, IFNα, IFNγ, IL-1β, IL-2, IL-6, IL-8, IL-10, IP-10, MCP-1, MIP-1α, MIP-1β, and PDGF were significantly increased in tularemia patients when compared to healthy controls and/or between different time points of sampling. This evidence concerns the gene CXCL8 and tularemia.