IFNA2 and parasitic infectious disease: P. berghei ANKA-infected C57BL/6 mice injected with IFN-α had significantly (P <0.05) higher levels of IFN-γ (772 ± 73 pg/ml, day 9 pi) than those receiving diluent (180 ± 14 pg/ml), reduced parasitemia, and better host survival (Vigario et al., 2007).