HTLV-I InfectionsHuman T-lymphotropic virus 1Simian T-lymphotropic virus 1Deltaretrovirus InfectionsHTLV-II InfectionsParaparesis, Tropical SpasticHTLV-I AntibodiesHuman T-lymphotropic virus 2JamaicaGene Products, taxDeltaretrovirusProvirusesGenes, pXLeukemia-Lymphoma, Adult T-CellCarrier StateViral LoadDeltaretrovirus AntibodiesDNA, ViralAntibodies, ViralHTLV-II AntibodiesLeukocytes, MononuclearAcquired Immunodeficiency SyndromeT-LymphocytesJapanStrongyloidiasisPrimate T-lymphotropic virus 3Polymerase Chain ReactionDeltaretrovirus AntigensCell LineRetroviridae Proteins, OncogenicHTLV-I AntigensMolecular Sequence DataHTLV-II AntigensColobusSimian immunodeficiency virusFrench GuianaVirus ReplicationGene Products, envRNA VirusesCercocebusPhylogenyRNA, MessengerGene Products, rexInfluenza A Virus, H1N2 SubtypeVaccinia virusCercopithecusViral Regulatory and Accessory ProteinsReceptors, VirusGenes, ViralMelanesiaIndians, Central AmericanBlood DonorsLeukemia, T-CellCD4-Positive T-LymphocytesHuman T-lymphotropic virus 3Retroviridae ProteinsAmino Acid SequenceInfluenza A Virus, H1N1 SubtypeVirus CultivationCell Transformation, ViralCells, CulturedVirus SheddingRetroviridae InfectionsJurkat CellsAntigens, ViralHIVStrongyloides stercoralisRNA, ViralBase SequenceGene Expression Regulation, ViralMonkey DiseasesVirus DiseasesLymphocyte ActivationSimian virus 40Simian Acquired Immunodeficiency SyndromeViral ProteinsTerminal Repeat SequencesVirus AssemblyIndians, South AmericanPlant VirusesDNA VirusesRadioimmunoprecipitation AssayDefective VirusesCytopathogenic Effect, ViralOrthomyxoviridae InfectionsGenes, envSindbis VirusMeasles virusPeruRepetitive Sequences, Nucleic AcidGene Products, gagSeroepidemiologic Studiesenv Gene Products, Human Immunodeficiency VirusRabies virusT-Lymphocyte SubsetsInfluenza A Virus, H5N1 SubtypeHIV-1DominicaRetroviruses, SimianTheropithecus