title: Factors in the host-virus relationship which may affect the course of an infection.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000013:Congenital Abnormalities / Q000209:etiology; D004660:Encephalitis / Q000276:immunology; D004673:Encephalomyelitis, Acute Disseminated / Q000209:etiology; D005260:Female; D005315:Fetal Diseases / Q000276:immunology; D006801:Humans; D007109:Immunity; D007372:Interferons / Q000096:biosynthesis; D009858:Oncogenic Viruses; D011247:Pregnancy; D012756:Sheep; D014777:Virus Diseases / Q000276:immunology*
chemical_list: D007372:Interferons