Genes, vpuGenes, vprChronic DiseaseVirus ReplicationVaccinia virusRNA VirusesMutationDefective VirusesGenes, ViralSindbis VirusViral ProteinsVirus CultivationMolecular Sequence DataCell LineVirus AssemblyRNA, ViralReceptors, VirusViral Plaque AssayVirus SheddingSimian virus 40Cercopithecus aethiopsAvian Sarcoma VirusesVesicular stomatitis Indiana virusVirus DiseasesTemperatureDNA VirusesVero CellsPlant VirusesHepatitis B virusVirionAmino Acid SequenceHerpesvirus 1, SuidMutant ProteinsMeasles virusAntigens, ViralVirulencePhenotypeInfluenza A Virus, H1N1 SubtypeDNA, ViralCell Transformation, ViralGenetic Complementation TestRabies virusSemliki forest virusInfluenza A Virus, H5N1 SubtypeMutagenesis, Site-DirectedAntiviral AgentsSimplexvirusCapsidCricetinaeAmino Acid SubstitutionSerial PassagePolyomavirusGene DeletionInfluenza A Virus, H3N2 SubtypeViral Structural ProteinsWest Nile virusGene Expression Regulation, ViralBase SequenceRespiratory Syncytial VirusesPlasmidsTranscription, GeneticFoot-and-Mouth Disease VirusTransfectionRecombination, GeneticHerpesvirus 1, HumanVirus ActivationCells, CulturedSequence DeletionEncephalitis Viruses, Tick-BorneNeutralization TestsVirus LatencyHemagglutinin Glycoproteins, Influenza VirusDNA PrimersRNA-Directed DNA PolymeraseCytopathogenic Effect, ViralCapsid ProteinsChick EmbryoKineticsPoint MutationEscherichia coliOncogenic VirusesSimian immunodeficiency virusViral Envelope ProteinsMice, Mutant StrainsViral InterferenceThymidine KinaseCloning, MolecularHeLa CellsParainfluenza Virus 1, HumanOpen Reading FramesDrug Resistance, ViralMumps virusViral Core ProteinsMosaic VirusesSpecies SpecificityPhylogenyNeuraminidaseHepatitis A virusAntibodies, ViralDNA Replication