Defective VirusesViral InterferenceInfluenza A virusInfluenza, HumanMurine Acquired Immunodeficiency SyndromeInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesHemagglutinin Glycoproteins, Influenza VirusVirus ReplicationInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H5N1 SubtypeInfluenza in BirdsOrthomyxoviridaeOrthomyxoviridae InfectionsInfluenza B virusRNA, ViralVesicular stomatitis Indiana virusCell LineHelper VirusesViral ProteinsTranscription, GeneticTranscription FactorsGenes, ViralMolecular Sequence DataDNA, ViralRNA VirusesVirus DiseasesNeuraminidaseHemagglutinins, ViralBase SequenceVaccinia virusVirus SheddingLeukemia Virus, MurineReceptors, VirusVirus CultivationInfluenza A Virus, H9N2 SubtypeHemagglutination Inhibition TestsParticle SizeViral Plaque AssayRabies virusInfluenza A Virus, H3N8 SubtypeVesiculovirusBirdsInfluenza A Virus, H7N7 SubtypeAntibodies, ViralVirus AssemblyGenome, ViralPandemicsReassortant VirusesDucksAntiviral AgentsAntigens, ViralInfluenza A Virus, H5N2 SubtypeSimian virus 40MutationAmino Acid SequenceOseltamivirCricetinaeDisease OutbreaksVirionPlant VirusesInfluenza A Virus, H2N2 SubtypeMadin Darby Canine Kidney CellsInfluenza A Virus, H1N2 SubtypeGenetic Complementation TestPhylogenyDNA VirusesDogsInfluenza A Virus, H7N9 SubtypeSindbis VirusMeasles virusFerretsRNA, MessengerChickensPromoter Regions, GeneticCercopithecus aethiopsRespiratory Syncytial VirusesNucleoproteinsCells, CulturedGene Expression RegulationPoultryProtein BindingNeutralization TestsBinding SitesHepatitis B virusHeLa CellsStomatitisReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, ViralViral Core ProteinsVaccinationRNA ReplicaseChick EmbryoVero CellsWest Nile virusSequence Analysis, DNASeasonsVaccines, InactivatedVirulenceAmantadine