TGFB1 and infection: T cell and anti-inflammatory cytokines in the bone marrow were increased at 5–6 weeks p.i. infection and declined at 8 week p.i. At 5–6 weeks, IL-2 and IL-4 were increased by 3–7 fold and IL-10 and TGF-β by 3–5 folds (Figure 6).