Sequence Analysis, DNAMolecular Sequence DataPhylogenyHIV-1Species SpecificityVirus ReplicationAmino Acid SequenceDNA, ViralVirulenceSuperinfectionMutationGenetic VariationBase SequencePolymerase Chain ReactionGenome, ViralGenotypeMolecular Epidemiologyenv Gene Products, Human Immunodeficiency VirusInfluenza A virusMice, Inbred StrainsDrug Resistance, ViralInfluenza VaccinesRNA, Ribosomal, 16SReceptors, CCR5Influenza, HumanHIV InfectionsAntibodies, ViralRNA, ViralDNA, RibosomalPhenotypeBacterial Typing TechniquesEscherichia coliSequence HomologyGenes, BacterialInfluenza A Virus, H3N2 SubtypeCluster AnalysisCell LineDisease OutbreaksVirusesViral ProteinsImmunodeficiency Virus, FelineGenes, ViralHemagglutinin Glycoproteins, Influenza VirusInfluenza A Virus, H1N1 SubtypeRecombination, GeneticBase CompositionAntibodies, NeutralizingHIV Envelope Protein gp120Antigens, ViralAntiviral AgentsSequence Homology, Nucleic AcidMice, Inbred BALB CEvolution, MolecularMicrobial Sensitivity TestsDNA, BacterialAnti-Bacterial AgentsNeutralization TestsGenes, envOrthomyxoviridae InfectionsSerotypingAnti-HIV AgentsCulture MediaDNA PrimersHost-Pathogen InteractionsDengue VirusEpstein-Barr Virus Nuclear AntigensPlasmidsSequence Homology, Amino AcidGenes, rRNAReceptors, CXCR4Time FactorsAmino Acid SubstitutionVero CellsDrug Resistance, MicrobialCells, CulturedTropaeolaceaeGenome, BacterialHIV AntibodiesStereoisomerismSoil MicrobiologyGene Expression Regulation, BacterialReverse Transcriptase Polymerase Chain ReactionNucleic Acid HybridizationRNA, BacterialHerpesvirus 4, HumanMagnetic Resonance SpectroscopyViral LoadCercopithecus aethiopsAcquired Immunodeficiency SyndromeMacrophagesCloning, MolecularDNA FingerprintingMolecular StructureElectrophoresis, Gel, Pulsed-FieldNucleic Acid ConformationFatty AcidsTemperatureAntibodies, MonoclonalBacterial ProteinsFermentation