Lentivirus InfectionsLentivirusVisnaPneumonia, Progressive Interstitial, of SheepImmunodeficiency Virus, FelineVisna-maedi virusFeline Acquired Immunodeficiency SyndromeLentiviruses, Ovine-CaprineArthritis-Encephalitis Virus, CaprineInfectious Anemia Virus, EquineEquine Infectious AnemiaCatsGoatsSimian immunodeficiency virusVirus ReplicationSimian Acquired Immunodeficiency SyndromeHorsesAntibodies, ViralSheepRNA VirusesHIV-1Vaccinia virusReceptors, VirusGenetic VectorsVirus CultivationVirus AssemblyVirus SheddingVirus DiseasesSimian virus 40Lentiviruses, PrimatePlant VirusesDNA VirusesDefective VirusesSindbis VirusMeasles virusTransduction, GeneticInfluenza A Virus, H1N1 SubtypeLentiviruses, BovineRabies virusInfluenza A Virus, H5N1 SubtypeRNA, ViralVesicular stomatitis Indiana virusCell LineInfluenza A Virus, H3N2 SubtypePumaMolecular Sequence DataHepatitis B virusGenes, ViralAntigens, ViralWest Nile virusViral ProteinsRespiratory Syncytial VirusesVirionVirus IntegrationDNA, ViralVirus ActivationCercopithecusPhylogenyNeutralization TestsCercopithecus aethiopsVirus LatencyHemagglutinin Glycoproteins, Influenza VirusGene Expression Regulation, ViralOncogenic VirusesSheep DiseasesVero CellsAntiviral AgentsGene Products, gagAmino Acid SequenceCells, CulturedLionsMumps virusCapsidParainfluenza Virus 1, HumanRetroviridaeMoloney murine leukemia virusMosaic VirusesLentiviruses, FelineGoat DiseasesHepatitis A virusSemliki forest virusGene Products, envAvian Sarcoma VirusesCytopathogenic Effect, ViralGene Transfer TechniquesViral Plaque AssayVirus AttachmentBK VirusTumor Virus InfectionsViruses, UnclassifiedJC VirusPolymerase Chain ReactionGenes, envAvian leukosis virusGenetic TherapyLemurSequence Analysis, DNAOrthomyxoviridaeGreen Fluorescent ProteinsHeLa Cells