MARCH2+/+ (n = 8) or MARCH2-/- (n = 8) mice were intravenously infected with VSV-GFP (2 × 108 PFU/mouse), and serum samples were collected at 12 hpi (hours post-infection). (B) Secretion of IFN-β, IL-6, IL-12, and TNFα was measured in specific ELISAs. 