Irrespective of the genotype of mice, IL-6 and IFN-γ serum levels (Figure 8A,B), splenic TNF-α and IFN-γ (Figure 8C,D) as well as hepatic TNF-α and IL-6 concentrations (Figure 8E,F) increased multifold until day 7 following infection. This evidence concerns the gene TNF and infection.