title: The slow infection caused by visna virus.
mesh_terms: D000818:Animals; D000956:Antigens, Viral; D002459:Cell Fusion; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003588:Cytopathogenic Effect, Viral; D003673:Defective Viruses; D003711:Demyelinating Diseases / Q000382:microbiology; D005827:Genetics, Microbial; D006801:Humans; D008242:Lysogeny; D008970:Molecular Weight; D011123:Polyploidy; D012328:RNA Viruses / Q000302:isolation & purification; D012367:RNA, Viral / Q000096:biosynthesis; D012194:RNA-Directed DNA Polymerase; D012756:Sheep; D012897:Slow Virus Diseases / Q000276:immunology / Q000382:microbiology / Q000473:pathology; D014158:Transcription, Genetic; D014762:Viral Interference; D014764:Viral Proteins / Q000096:biosynthesis; D014779:Virus Replication; D014790:Visna-maedi virus / Q000145:classification / Q000302:isolation & purification / Q000472:pathogenicity
chemical_list: D000956:Antigens, Viral; D012367:RNA, Viral; D014764:Viral Proteins; D012194:RNA-Directed DNA Polymerase