Sequence Analysis, DNAPhylogenySpecies SpecificityHIV-1Molecular Sequence DataVirus ReplicationDNA, ViralVirulenceSuperinfectionMutationAmino Acid SequenceGenetic VariationGenome, ViralPolymerase Chain ReactionGenotypeMolecular Epidemiologyenv Gene Products, Human Immunodeficiency VirusInfluenza A virusBase SequenceDrug Resistance, ViralInfluenza VaccinesRNA, Ribosomal, 16SReceptors, CCR5Influenza, HumanRNA, ViralHIV InfectionsMice, Inbred StrainsDNA, RibosomalAntibodies, ViralPhenotypeBacterial Typing TechniquesSequence HomologyGenes, BacterialEscherichia coliInfluenza A Virus, H3N2 SubtypeCluster AnalysisCell LineDisease OutbreaksVirusesViral ProteinsImmunodeficiency Virus, FelineGenes, ViralHemagglutinin Glycoproteins, Influenza VirusInfluenza A Virus, H1N1 SubtypeRecombination, GeneticAntibodies, NeutralizingHIV Envelope Protein gp120Antigens, ViralSequence Homology, Nucleic AcidEvolution, MolecularMicrobial Sensitivity TestsDNA, BacterialAnti-Bacterial AgentsNeutralization TestsAntiviral AgentsGenes, envOrthomyxoviridae InfectionsSerotypingCulture MediaDNA PrimersHost-Pathogen InteractionsBase CompositionDengue VirusEpstein-Barr Virus Nuclear AntigensMice, Inbred BALB CPlasmidsSequence Homology, Amino AcidGenes, rRNAReceptors, CXCR4Amino Acid SubstitutionVero CellsDrug Resistance, MicrobialAnti-HIV AgentsGenome, BacterialHIV AntibodiesSoil MicrobiologyGene Expression Regulation, BacterialNucleic Acid HybridizationRNA, BacterialHerpesvirus 4, HumanViral LoadTime FactorsCercopithecus aethiopsAcquired Immunodeficiency SyndromeCells, CulturedReverse Transcriptase Polymerase Chain ReactionCloning, MolecularDNA FingerprintingElectrophoresis, Gel, Pulsed-FieldMacrophagesFatty AcidsBacterial ProteinsFermentationHepatitis B virusPolymorphism, Restriction Fragment LengthStaphylococcus aureusBacterial AdhesionAntigens, BacterialVirulence FactorsWater Microbiology