In addition, no significant alteration in the levels of IFNγ, IL-1β, IL-4, IL-6, IL-8, IL-10, CXCL10, and TNFα was observed in peripheral blood after Vir-S74-T3Bo infection by comparing Att-S74-T3Bo-inoculated and naïve control animals. This evidence concerns the gene IL4 and infection.