Influenza A virusInfluenza, HumanInfluenza VaccinesInfluenza A Virus, H1N1 SubtypeInfluenza in BirdsInfluenza B virusInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridae InfectionsOrthomyxoviridaeImmunityImmunity, InnateImmunity, CellularInfluenza A Virus, H9N2 SubtypePandemicsInfluenza A Virus, H3N8 SubtypeInfluenza A Virus, H2N2 SubtypeNeuraminidaseHemagglutination Inhibition TestsInfluenza A Virus, H7N7 SubtypeVaccinationAntibodies, ViralDisease OutbreaksHemagglutinins, ViralInfluenza A Virus, H5N2 SubtypeOseltamivirInfluenza A Virus, H7N9 SubtypeSeasonsAdaptive ImmunityReassortant VirusesBirdsVaccines, InactivatedImmunity, MucosalInfluenza A Virus, H1N2 SubtypeImmunity, HumoralAntiviral AgentsMice, Inbred BALB CZanamivirAmantadineMadin Darby Canine Kidney CellsPoultryDucksVaccines, AttenuatedCross ProtectionDogsMice, Inbred C57BLViral Matrix ProteinsPlant ImmunityAntigens, ViralInfluenzavirus CRimantadineImmunity, Maternally-AcquiredMolecular Sequence DataLungVirus ReplicationCell LineInfluenzavirus APneumonia, ViralInfluenza A Virus, H7N3 SubtypeAdministration, IntranasalViral ProteinsAntibody FormationSentinel SurveillanceCD8-Positive T-LymphocytesVirus SheddingCross ReactionsRNA, ViralAnseriformesHemagglutininsAdjuvants, ImmunologicNucleoproteinsPopulation SurveillanceT-LymphocytesInfluenza A Virus, H7N1 SubtypeImmunity, HerdInterferon-gammaAntibodies, NeutralizingPhylogenyDendritic CellsChickensCytokinesHost-Pathogen InteractionsAmino Acid SequenceTime FactorsNeutralization TestsCD4-Positive T-LymphocytesImmunoglobulin GPyransVaccines, SyntheticLymphocyte ActivationEpidemicsSwine DiseasesImmunologic MemoryPolysorbatesNasopharynxPoultry DiseasesMass VaccinationInfluenza A Virus, H7N2 SubtypeT-Lymphocytes, Cytotoxic