Influenza A virusInfluenza, HumanInfluenza VaccinesInfluenza A Virus, H1N1 SubtypeInfluenza in BirdsInfluenza B virusAntigensInfluenza A Virus, H3N2 SubtypeAntigens, BacterialInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusAntigens, SurfaceOrthomyxoviridaeOrthomyxoviridae InfectionsAntigens, ViralAntigens, NeoplasmInfluenza A Virus, H9N2 SubtypePandemicsInfluenza A Virus, H3N8 SubtypeEpitopesMice, Inbred BALB CInfluenza A Virus, H2N2 SubtypeNeuraminidaseHemagglutination Inhibition TestsCross ReactionsAntibodies, BacterialInfluenza A Virus, H7N7 SubtypeAntibodies, ViralImmunoglobulin GVaccinationImmunizationOvalbuminAntibody FormationAntigens, ProtozoanHemagglutinins, ViralDisease OutbreaksMolecular Sequence DataEnzyme-Linked Immunosorbent AssayOseltamivirInfluenza A Virus, H5N2 SubtypeAntibodies, MonoclonalInfluenza A Virus, H7N9 SubtypeT-LymphocytesStreptococcus mutansAntibody SpecificityAntigens, FungalH-2 AntigensSeasonsAdjuvants, ImmunologicAntigens, Polyomavirus TransformingHLA AntigensBacterial ProteinsReassortant VirusesAmino Acid SequenceBirdsAntigens, CDHistocompatibility Antigens Class IICell LineLymphocyte ActivationInfluenza A Virus, H1N2 SubtypeImmune SeraVaccines, InactivatedAntigens, HelminthMice, Inbred C57BLAntiviral AgentsAntigen-Antibody ReactionsAntigen-Presenting CellsHLA-DR AntigensHypersensitivity, DelayedHemocyaninSpleenZanamivirAntibodiesAmantadineCarcinoembryonic AntigenMolecular WeightAntigens, Viral, TumorMadin Darby Canine Kidney CellsStreptococcus sobrinusPoultryDucksB-LymphocytesFluorescent Antibody TechniqueDogsMycobacterium lepraeVaccines, SyntheticNucleoproteinsAdministration, IntranasalReceptors, Antigen, T-CellBase SequenceDendritic CellsViral Matrix ProteinsElectrophoresis, Polyacrylamide GelHistocompatibility AntigensImmunoglobulin MMice, Inbred StrainsRabbitsBacterial VaccinesImmunodiffusionAntigen-Antibody Complex