Point MutationMutation, MissenseMutationRNA VirusesVaccinia virusFrameshift MutationVirus ReplicationReceptors, VirusVirus CultivationGerm-Line MutationVirus SheddingSimian virus 40Virus DiseasesVirus AssemblyPlant VirusesDNA VirusesMolecular Sequence DataDefective VirusesSindbis VirusPolymerase Chain ReactionMeasles virusInfluenza A Virus, H1N1 SubtypePedigreeInfluenza A Virus, H5N1 SubtypeRabies virusAmino Acid SubstitutionAmino Acid SequenceHepatitis B virusSequence Analysis, DNACell LineMutation RateInfluenza A Virus, H3N2 SubtypeRNA, ViralWest Nile virusGenes, ViralViral ProteinsRespiratory Syncytial VirusesCercopithecus aethiopsExonsMutagenesis, Site-DirectedGenotypeDNA Mutational AnalysisVirus ActivationHeterozygoteBase SequenceAntigens, ViralDNA PrimersVesicular stomatitis Indiana virusHemagglutinin Glycoproteins, Influenza VirusMutagenesisVirus LatencyVero CellsAllelesPhylogenySimian immunodeficiency virusVirionOncogenic VirusesDNA, ViralSequence DeletionAntiviral AgentsRecombination, GeneticViral Plaque AssayPolymorphism, Single-Stranded ConformationalMosaic VirusesParainfluenza Virus 1, HumanMumps virusBinding SitesTransfectionPlasmidsTranscription, GeneticProtein Structure, TertiarySemliki forest virusHepatitis A virusSequence Homology, Amino AcidAvian Sarcoma VirusesModels, MolecularCricetinaeNeutralization TestsVirus AttachmentSequence AlignmentPhenotypeCodon, NonsenseHomozygoteCells, CulturedTumor Virus InfectionsGene Expression Regulation, ViralBK VirusProtein BindingJC VirusViruses, UnclassifiedCapsidAvian leukosis virusGenetic VariationEscherichia coliGene DeletionDNA-Binding ProteinsOrthomyxoviridaeOrthomyxoviridae InfectionsGenetic VectorsMoloney murine leukemia virus