Influenza A virusOrthomyxoviridae InfectionsInfluenza A Virus, H1N2 SubtypeSwine DiseasesInfluenza A Virus, H1N1 SubtypeSwineInfluenza, HumanInfluenza A Virus, H3N2 SubtypeReassortant VirusesHemagglutinin Glycoproteins, Influenza VirusInfluenza VaccinesInfluenza in BirdsHemagglutination Inhibition TestsOrthomyxoviridaeInfluenza A Virus, H5N1 SubtypeHemagglutinins, ViralInfluenza B virusNeuraminidasePandemicsBirdsZoonosesPneumonia, ViralAntibodies, ViralPhylogenyVirus SheddingDisease OutbreaksAntifoaming AgentsVirus ReplicationMolecular Sequence DataInfluenza A Virus, H9N2 SubtypeAntigenic VariationAntigens, ViralInfluenza A Virus, H2N2 SubtypeReceptors, VirusRNA, ViralInfluenza A Virus, H3N8 SubtypeCross ReactionsLungViral ProteinsSequence Analysis, DNAGenes, ViralPorcine respiratory and reproductive syndrome virusInfluenza A Virus, H7N7 SubtypeFerretsCell LineChinaInfluenza A Virus, H5N2 SubtypeVirulenceAntiviral AgentsDucksOseltamivirN-Acetylneuraminic AcidChick EmbryoDogsGuinea PigsVirus CultivationRNA VirusesMadin Darby Canine Kidney CellsCircovirusHemagglutininsGenome, ViralQuebecVaccinia virusInfluenza A Virus, H7N9 SubtypeSeasonsVaccinationViral Matrix ProteinsAmino Acid SequencePoultryVirologySus scrofaVirus DiseasesEnzyme-Linked Immunosorbent AssayZanamivirAntibodies, NeutralizingVaccines, InactivatedChickensAmantadineNucleoproteinsEvolution, MolecularCross ProtectionCluster AnalysisAnseriformesBase SequenceSwine, MiniatureVirus AssemblyDefective VirusesRNA ReplicaseInfluenzavirus ANeutralization TestsVaccines, AttenuatedReverse Transcriptase Polymerase Chain ReactionSimian virus 40Viral Core ProteinsAfrican Swine Fever VirusPoultry DiseasesHemagglutination, ViralSpecies SpecificityClassical swine fever virusRimantadine