IL6 and coinfection: In contrast, IL-10, IFN-α, IFN-ß, CXCL-10, IL-12p70, CCL-2, and CXCL-1 levels were also not significantly affected by IFN-γ and IFN-γ/IL-6 neutralization in co-infection with 0.17 TCID50 IAV and 1 × 106 CFU S. pn.