Hemagglutinin Glycoproteins, Influenza VirusInfluenza A virusInfluenza, HumanHemagglutinins, ViralHemagglutininsInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesOrthomyxoviridaeInfluenza in BirdsInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H5N1 SubtypeGlycoproteinsOrthomyxoviridae InfectionsInfluenza B virusNeuraminidaseHemagglutination Inhibition TestsInfluenza A Virus, H9N2 SubtypeAntibodies, ViralInfluenza A Virus, H3N8 SubtypeReassortant VirusesBirdsVirus ReplicationInfluenza A Virus, H7N7 SubtypeReceptors, VirusPandemicsViral ProteinsMolecular Sequence DataCell LineInfluenza A Virus, H2N2 SubtypeInfluenza A Virus, H5N2 SubtypeDucksVirus SheddingAntigens, ViralMadin Darby Canine Kidney CellsFerretsDogsOseltamivirVirus CultivationVaccinia virusAntiviral AgentsDisease OutbreaksAmino Acid SequenceRNA, ViralInfluenza A Virus, H1N2 SubtypeMeasles virusInfluenza A Virus, H7N9 SubtypeHemagglutination, ViralChickensRNA VirusesPoultryNeutralization TestsPhylogenyHemagglutination TestsVaccines, InactivatedVaccinationGenes, ViralZanamivirCross ReactionsViral Matrix ProteinsSialic AcidsHemagglutinationChick EmbryoMembrane GlycoproteinsCross ProtectionN-Acetylneuraminic AcidMice, Inbred BALB CNucleoproteinsMembrane FusionViral Fusion ProteinsViral Envelope ProteinsAmantadineAntibodies, NeutralizingGlycosylationVirus AssemblyVirulenceVirus DiseasesEpitopesSeasonsCercopithecus aethiopsVirionAnseriformesVaccines, AttenuatedSwineVero CellsVirus AttachmentViral Plaque AssayViral Core ProteinsDefective VirusesSwine DiseasesPoultry DiseasesRNA ReplicaseBromelainsSindbis VirusSimian virus 40Pneumonia, ViralLungHemadsorptionInfluenzavirus AVirologyVesicular stomatitis Indiana virus