Influenza, HumanInfluenza A virusInfluenza A Virus, H1N1 SubtypeInfluenza A Virus, H3N2 SubtypeInfluenza VaccinesInfluenza B virusInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusInfluenza in BirdsOrthomyxoviridae InfectionsOrthomyxoviridaeNeuraminidasePandemicsReassortant VirusesHemagglutination Inhibition TestsHemagglutinins, ViralOseltamivirBirdsInfluenza A Virus, H7N3 SubtypeCross ProtectionAntibodies, ViralDisease OutbreaksInfluenza A Virus, H2N2 SubtypeAmantadineZanamivirInfluenza A Virus, H9N2 SubtypeAntiviral AgentsVaccines, InactivatedInfluenza A Virus, H3N8 SubtypeSeasonsFerretsDogsHemagglutininsAntigens, ViralCross ReactionsVaccines, AttenuatedPhylogenyVaccinationInfluenza A Virus, H7N9 SubtypeMolecular Sequence DataSpecies SpecificityPoultryMadin Darby Canine Kidney CellsViral ProteinsDucksMice, Inbred BALB CCell LineDrug Resistance, ViralInfluenza A Virus, H1N2 SubtypeVirus ReplicationInfluenza A Virus, H7N7 SubtypeSequence Analysis, DNAReceptors, VirusViral Matrix ProteinsAntigenic VariationVirulenceInfluenza A Virus, H5N2 SubtypeNucleoproteinsGenes, ViralN-Acetylneuraminic AcidRNA, ViralSwineAmino Acid SequenceVirus CultivationHemagglutination, ViralPneumonia, ViralMutationViral Plaque AssayVirus SheddingZoonosesEvolution, MolecularSwine DiseasesPyransChickensSialic AcidsChick EmbryoLungViral Nonstructural ProteinsAmino Acid SubstitutionTracheitisBase SequenceGenome, ViralSaimiriRespiratory SystemRNA ReplicaseTurbinatesVirus AttachmentViral Core ProteinsRecombination, GeneticGenetic VariationAdministration, IntranasalMice, Inbred StrainsRNA, Ribosomal, 16SThailandInfluenzavirus CGenetic DriftPlasmidsPolymerase Chain ReactionHost-Pathogen InteractionsRimantadine