Sequence Analysis, DNASpecies SpecificityPhylogenyMolecular Sequence DataHIV-1Virus ReplicationAmino Acid SequenceMutationVirulenceDNA, ViralGenetic VariationSuperinfectionPolymerase Chain ReactionBase SequenceGenotypeGenome, ViralMolecular EpidemiologyInfluenza A virusInfluenza VaccinesRNA, Ribosomal, 16Senv Gene Products, Human Immunodeficiency VirusDrug Resistance, ViralReceptors, CCR5PhenotypeRNA, ViralInfluenza, HumanMice, Inbred StrainsAntibodies, ViralHIV InfectionsDNA, RibosomalBacterial Typing TechniquesSequence HomologyCell LineGenes, BacterialEscherichia coliCluster AnalysisDisease OutbreaksInfluenza A Virus, H3N2 SubtypeViral ProteinsVirusesHemagglutinin Glycoproteins, Influenza VirusRecombination, GeneticInfluenza A Virus, H1N1 SubtypeImmunodeficiency Virus, FelineGenes, ViralAntibodies, NeutralizingEvolution, MolecularAntigens, ViralSequence Homology, Nucleic AcidHIV Envelope Protein gp120DNA, BacterialMicrobial Sensitivity TestsAnti-Bacterial AgentsNeutralization TestsDNA PrimersOrthomyxoviridae InfectionsMice, Inbred BALB CSerotypingAntiviral AgentsHost-Pathogen InteractionsSequence Homology, Amino AcidGenes, envCulture MediaDengue VirusTime FactorsPlasmidsBase CompositionEpstein-Barr Virus Nuclear AntigensGenes, rRNAAmino Acid SubstitutionVero CellsReceptors, CXCR4Drug Resistance, MicrobialGenome, BacterialAnti-HIV AgentsHIV AntibodiesCells, CulturedGene Expression Regulation, BacterialNucleic Acid HybridizationCercopithecus aethiopsSoil MicrobiologyRNA, BacterialReverse Transcriptase Polymerase Chain ReactionHerpesvirus 4, HumanViral LoadCloning, MolecularAcquired Immunodeficiency SyndromeDNA FingerprintingElectrophoresis, Gel, Pulsed-FieldMacrophagesBacterial ProteinsFatty AcidsPolymorphism, Restriction Fragment LengthAntigens, BacterialFecesVirulence FactorsFermentationBacterial AdhesionStaphylococcus aureusHepatitis B virus