At 8 d PI in baso IL-4/IL-13 (−) mice, FITC-dextran levels were positively correlated with parasitemia, plasma IL-1α, IFN-γ and IL-9, while bacterial 16S copies were positively correlated with plasma IFN-γ and IL-12p40 (Fig. 6). This evidence concerns the gene IL9 and parasitic infectious disease.