Influenza A virusInfluenza, HumanInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesInfluenza in BirdsInfluenza A Virus, H5N1 SubtypeInfluenza A Virus, H3N2 SubtypeInfluenza B virusHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridae InfectionsInfluenza A Virus, H9N2 SubtypeOrthomyxoviridaeAntibodies, ViralAntibodiesInfluenza A Virus, H7N9 SubtypeHemagglutination Inhibition TestsHemagglutinins, ViralNeuraminidasePandemicsAntibody SpecificityInfluenza A Virus, H3N8 SubtypeBirdsInfluenza A Virus, H7N7 SubtypeDisease OutbreaksInfluenza A Virus, H2N2 SubtypeAntibodies, MonoclonalVirus ReplicationInfluenza A Virus, H5N2 SubtypeAntibodies, NeutralizingVaccinia virusOseltamivirReceptors, VirusMolecular Sequence DataAntibodies, BacterialAntibody FormationAntigens, ViralVaccinationVirus SheddingAntiviral AgentsCell LineSeasonsRNA VirusesViral ProteinsInfluenza A Virus, H1N2 SubtypeVirus CultivationInfluenza A Virus, H7N1 SubtypeReassortant VirusesDogsVaccines, InactivatedAmino Acid SequencePhylogenyCross ReactionsChickensRNA, ViralNeutralization TestsDucksMice, Inbred BALB CFluorescent Antibody TechniqueVirus DiseasesEpitopesAmantadineMadin Darby Canine Kidney CellsPoultryGenes, ViralZanamivirAntibody AffinityVirus AssemblyVaccines, AttenuatedInfluenzavirus CInfluenza A Virus, H7N3 SubtypeChick EmbryoDefective VirusesSimian virus 40Cross ProtectionHIV AntibodiesPneumonia, ViralViral Matrix ProteinsBinding Sites, AntibodyNucleoproteinsMeasles virusRespiratory Syncytial VirusesAntibodies, Anti-IdiotypicRimantadineDNA VirusesHemagglutininsPlant VirusesTime FactorsSentinel SurveillanceSindbis VirusVirologyViral Core ProteinsRabies virusInfluenzavirus AImmunizationCells, CulturedSwineViral Plaque AssayCercopithecus aethiopsImmunoglobulin GVirion