IFN-α A/D (pretreatment):EC50 = 1.35 IU/ml; MOI = 0.01, 22 hpi, Vero (33)IFN-β1a (pretreatment):EC50 = 0.76 IU/ml; MOI = 0.01, 22 hpi, Vero (33)IFN-β1a (posttreatment):EC50 = 1.971 IU/ml; MOI = 0.001, 48 hpi, Vero E6 (35)IFN-β1 (2,000 IU/ml) & IFN-λ (300 ng/ml):Prevented infection in T84 & Caco-2 (37). Here, IFNB1 is linked to infection.