Fig. 1

Survival analysis in IFN-α/β/γR KO mice and IFN-α/β/γR/FcγRIIB KO mice. a Groups of IFN-α/β/γR KO mice were intraperitoneally infected with DV2P04/08 at 3.5 × 106 or 3.5 × 104 ffu/mouse. b Groups of the IFN-α/β/γR/FcγRIIB KO mice were intraperitoneally infected with DV2P04/08 at 3.5 × 105 or 3.5 × 104 ffu/mouse