Influenza A virusInfluenza, HumanInfluenza A Virus, H1N1 SubtypeInfluenza in BirdsOrthomyxoviridae InfectionsInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H1N2 SubtypeInfluenza VaccinesInfluenza A Virus, H5N1 SubtypeSwine DiseasesHemagglutinin Glycoproteins, Influenza VirusReassortant VirusesSwineInfluenza B virusOrthomyxoviridaeHemagglutination Inhibition TestsBirdsNeuraminidaseInfluenza A Virus, H9N2 SubtypeHemagglutinins, ViralPandemicsInfluenza A Virus, H7N7 SubtypePoultryAntibodies, ViralInfluenza A Virus, H5N2 SubtypeDisease OutbreaksDucksZoonosesPhylogenyVirus SheddingInfluenza A Virus, H3N8 SubtypeVirus ReplicationPneumonia, ViralInfluenza A Virus, H7N9 SubtypeInfluenza A Virus, H2N2 SubtypeReceptors, VirusMolecular Sequence DataAnseriformesAntigens, ViralViral ProteinsRNA, ViralOseltamivirAntiviral AgentsGenes, ViralRNA VirusesChickensCell LineVirus DiseasesCross ReactionsSequence Analysis, DNAVirus CultivationPoultry DiseasesCloacaAntigenic VariationLungSeasonsDogsVaccinationInfluenza A Virus, H7N3 SubtypeInfluenza A Virus, H7N1 SubtypeFerretsVirulenceMadin Darby Canine Kidney CellsAntifoaming AgentsVaccines, InactivatedVaccinia virusHemagglutininsChick EmbryoChinaAnimals, WildGenome, ViralZanamivirVirusesAmino Acid SequenceViral Matrix ProteinsAmantadineN-Acetylneuraminic AcidPorcine respiratory and reproductive syndrome virusGeeseInfluenza A Virus, H7N2 SubtypeVirologyRNA ReplicaseCross ProtectionNucleoproteinsInfluenzavirus AVaccines, AttenuatedVirus AssemblyBird DiseasesDefective VirusesNeutralization TestsAntibodies, NeutralizingSpecies SpecificityCommunicable Diseases, EmergingSimian virus 40Viral Core ProteinsHost-Pathogen InteractionsReverse Transcriptase Polymerase Chain ReactionVirus InactivationEnzyme-Linked Immunosorbent AssayCharadriiformes