Influenza A virusInfluenza, HumanInfluenza A Virus, H1N1 SubtypeVirus ReplicationInfluenza VaccinesHemagglutinin Glycoproteins, Influenza VirusInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H5N1 SubtypeOrthomyxoviridaeInfluenza in BirdsOrthomyxoviridae InfectionsInfluenza B virusRNA, ViralRNA VirusesViral ProteinsNeuraminidaseHemagglutinins, ViralVaccinia virusCell LineVirus SheddingAntiviral AgentsVirus CultivationReceptors, VirusInfluenza A Virus, H9N2 SubtypeHemagglutination Inhibition TestsMolecular Sequence DataAntibodies, ViralInfluenza A Virus, H7N7 SubtypeInfluenza A Virus, H3N8 SubtypeBirdsReassortant VirusesVirus AssemblyAntigens, ViralDucksVirus DiseasesPandemicsDNA, ViralDefective VirusesGenes, ViralSindbis VirusInfluenza A Virus, H5N2 SubtypeOseltamivirVero CellsViral Plaque AssayDNA VirusesMadin Darby Canine Kidney CellsSimian virus 40Plant VirusesGene Expression Regulation, ViralDogsDisease OutbreaksInfluenza A Virus, H2N2 SubtypeRNA ReplicaseMeasles virusInfluenza A Virus, H1N2 SubtypeFerretsVirionAmino Acid SequenceHepatitis B virusPhylogenyInfluenza A Virus, H7N9 SubtypeCercopithecus aethiopsRespiratory Syncytial VirusesVesicular stomatitis Indiana virusVirulenceHost-Pathogen InteractionsRabies virusCytopathogenic Effect, ViralViral Core ProteinsNeutralization TestsChickensVirus ActivationWest Nile virusNucleoproteinsSimian immunodeficiency virusPoultryBase SequenceViral Nonstructural ProteinsCells, CulturedVirus LatencyVaccinationAmantadineRecombination, GeneticPlasmidsHIV-1Chick EmbryoGenome, ViralVaccines, AttenuatedViral Matrix ProteinsHeLa CellsZanamivirVaccines, InactivatedVirus AttachmentParainfluenza Virus 1, HumanSeasonsMutationSequence Analysis, DNAVirologyVirus InactivationSwine