Interactions of viruses with the immune system.
D000818:Animals; D000956:Antigens, Viral / Q000276:immunology*; D006801:Humans; D007108:Immune Tolerance; D007111:Immunity, Cellular; D008221:Lymphoid Tissue / Q000276:immunology; D051379:Mice; D014777:Virus Diseases / Q000276:immunology*
D000956:Antigens, Viral