Influenza A virusInfluenza, HumanInfluenza A Virus, H5N1 SubtypeInfluenza in BirdsInfluenza A Virus, H1N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusInfluenza VaccinesOrthomyxoviridae InfectionsInfluenza A Virus, H3N2 SubtypeOrthomyxoviridaeInfluenza B virusNeuraminidaseInfluenza A Virus, H9N2 SubtypeInfluenza A Virus, H7N7 SubtypeInfluenza A Virus, H5N2 SubtypeBirdsDucksHemagglutinins, ViralPoultryReassortant VirusesHemagglutination Inhibition TestsOseltamivirVirus SheddingAntibodies, ViralInfluenza A Virus, H3N8 SubtypeVirus ReplicationFerretsGeeseMadin Darby Canine Kidney CellsInfluenza A Virus, H7N3 SubtypePandemicsChickensDisease OutbreaksAntiviral AgentsCloacaPoultry DiseasesViral ProteinsInfluenza A Virus, H2N2 SubtypeHemagglutininsDogsPhylogenyRNA, ViralVirus CultivationReceptors, VirusVirulenceRNA VirusesInfluenza A Virus, H1N2 SubtypeCell LineVaccinia virusMolecular Sequence DataInfluenza A Virus, H7N9 SubtypeAntigens, ViralRNA ReplicaseChick EmbryoAnimals, WildVirus DiseasesMice, Inbred BALB CZanamivirLungVaccines, InactivatedSeasonsVaccinationAmantadineNucleoproteinsCross ProtectionAnseriformesViral Matrix ProteinsGenes, ViralVirus AssemblyInfluenzavirus ADefective VirusesSequence Analysis, DNAPneumonia, ViralAmino Acid SequenceSimian virus 40VietnamViral Core ProteinsSwine DiseasesVaccines, AttenuatedNeutralization TestsSpecies SpecificityHemagglutination, ViralVirologyRimantadineCross ReactionsViral Plaque AssayAnimal MigrationAmino Acid SubstitutionSwineVirus InactivationPlant VirusesDNA VirusesRespiratory Syncytial VirusesInfluenza A Virus, H7N1 SubtypeSindbis VirusMeasles virusPyransSequence HomologyAntibodies, NeutralizingVirion