Visna-maedi in sheep.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D000917:Antibody Formation; D002490:Central Nervous System / Q000473:pathology; D003168:Complement Fixation Tests; D003937:Diagnosis, Differential; D012157:Mononuclear Phagocyte System / Q000473:pathology; D009500:Neutralization Tests; D012328:RNA Viruses; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000276:immunology / Q000473:pathology; D014777:Virus Diseases / Q000175:diagnosis / Q000209:etiology / Q000276:immunology / Q000473:pathology / Q000662:veterinary*; D014790:Visna-maedi virus / Q000276:immunology / Q000302:isolation & purification
D000914:Antibodies, Viral