GO:0016020; Cellular component: membrane.
GO:0044173; Cellular component: host cell endoplasmic reticulum-Golgi intermediate compartment membrane.
GO:0055036; Cellular component: virion membrane.
GO:0019031; Cellular component: viral envelope.
GO:0039654; Biological process: fusion of virus membrane with host endosome membrane.
GO:0019064; Biological process: fusion of virus membrane with host plasma membrane.
GO:0075509; Biological process: endocytosis involved in viral entry into host cell.
GO:0046813; Biological process: receptor-mediated virion attachment to host cell.