HTLV-I InfectionsHuman T-lymphotropic virus 1Paraparesis, Tropical SpasticHTLV-II InfectionsHTLV-I AntibodiesJamaicaHuman T-lymphotropic virus 2Gene Products, taxDeltaretrovirusProvirusesDeltaretrovirus InfectionsCarrier StateGenes, pXLeukemia-Lymphoma, Adult T-CellViral LoadLeukocytes, MononuclearAntibodies, ViralT-LymphocytesDNA, ViralJapanStrongyloidiasisAcquired Immunodeficiency SyndromeDeltaretrovirus AntibodiesCell LineSimian T-lymphotropic virus 1HTLV-II AntibodiesPolymerase Chain ReactionRNA, MessengerDeltaretrovirus AntigensPrimate T-lymphotropic virus 3Retroviridae Proteins, OncogenicHTLV-I AntigensLymphocyte ActivationHTLV-II AntigensFrench GuianaCells, CulturedMolecular Sequence DataT-Lymphocyte SubsetsGene Products, envRNA VirusesCercocebusVirus ReplicationGene Products, rexVaccinia virusJurkat CellsCD4-Positive T-LymphocytesLeukemia, T-CellReceptors, VirusMelanesiaGenes, ViralBlood DonorsIndians, Central AmericanRetroviridae ProteinsHuman T-lymphotropic virus 3Cell Transformation, ViralVirus CultivationPhylogenyRetroviridae InfectionsHIVAntigens, ViralStrongyloides stercoralisGene Expression Regulation, ViralVirus SheddingAmino Acid SequenceRNA, ViralMonkey DiseasesViral ProteinsBase SequenceVirus DiseasesTerminal Repeat SequencesSimian virus 40Indians, South AmericanRadioimmunoprecipitation AssayVirus AssemblyPlant VirusesDNA VirusesCytopathogenic Effect, ViralDefective VirusesViral Regulatory and Accessory ProteinsGenes, envPeruRepetitive Sequences, Nucleic AcidSindbis VirusMeasles virusGene Products, gagInfluenza A Virus, H1N1 SubtypeSeroepidemiologic StudiesCell Line, TransformedSkin Diseases, Viralenv Gene Products, Human Immunodeficiency VirusRabies virusGenes, polInfluenza A Virus, H5N1 SubtypeDominicaRetroviruses, SimianTheropithecus