HTLV-I InfectionsHuman T-lymphotropic virus 1Simian T-lymphotropic virus 1Deltaretrovirus InfectionsHTLV-II InfectionsParaparesis, Tropical SpasticHTLV-I AntibodiesHuman T-lymphotropic virus 2JamaicaGene Products, taxDeltaretrovirusProvirusesLeukemia-Lymphoma, Adult T-CellGenes, pXCarrier StateViral LoadDNA, ViralDeltaretrovirus AntibodiesAntibodies, ViralHTLV-II AntibodiesLeukocytes, MononuclearRetroviridaeAcquired Immunodeficiency SyndromeT-LymphocytesJapanPolymerase Chain ReactionCell LineDeltaretrovirus AntigensStrongyloidiasisPrimate T-lymphotropic virus 3Retroviridae Proteins, OncogenicHTLV-I AntigensMolecular Sequence DataHTLV-II AntigensGene Products, envVirus ReplicationFrench GuianaRetroviridae InfectionsRNA, MessengerRNA VirusesCercocebusGene Products, rexGenetic VectorsRetroviridae ProteinsVaccinia virusReceptors, VirusVirus IntegrationGenes, ViralTerminal Repeat SequencesBase SequenceCells, CulturedCD4-Positive T-LymphocytesRNA, ViralMelanesiaLeukemia, T-CellIndians, Central AmericanBlood DonorsCell Transformation, ViralPhylogenyGene Expression Regulation, ViralAmino Acid SequenceHuman T-lymphotropic virus 3HIVVirus AssemblyMoloney murine leukemia virusVirus CultivationGene Products, gagRepetitive Sequences, Nucleic AcidJurkat CellsViral ProteinsAntigens, ViralVirus SheddingLymphocyte ActivationMonkey DiseasesGenes, envSimian virus 40Strongyloides stercoralisDefective VirusesVirus DiseasesGenes, polTransfectionRNA-Directed DNA PolymeraseRadioimmunoprecipitation AssayIndians, South AmericanPlant VirusesCytopathogenic Effect, ViralDNA VirusesViral Regulatory and Accessory ProteinsCell Line, TransformedHIV-1Sindbis VirusMeasles virusPeruRetroviruses, SimianInfluenza A Virus, H1N1 Subtypeenv Gene Products, Human Immunodeficiency VirusT-Lymphocyte SubsetsSeroepidemiologic StudiesRabies virusTranscription, Genetic