Influenza, HumanInfluenza A virusInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesInfluenza A Virus, H5N1 SubtypeInfluenza in BirdsInfluenza A Virus, H3N2 SubtypeHemagglutinin Glycoproteins, Influenza VirusInfluenza B virusOrthomyxoviridae InfectionsInfluenza A Virus, H9N2 SubtypeOrthomyxoviridaeInfluenza A Virus, H7N9 SubtypeHemagglutinins, ViralBirdsVaccinia virusHemagglutination Inhibition TestsNeuraminidaseVirus ReplicationReceptors, VirusRNA VirusesAntibodies, ViralPandemicsDisease OutbreaksInfluenza A Virus, H3N8 SubtypeInfluenza A Virus, H7N7 SubtypeVirus SheddingVirus CultivationFunctional LateralityInfluenza A Virus, H7N1 SubtypePhylogenyInfluenza A Virus, H2N2 SubtypeAntigens, ViralViral ProteinsMolecular Sequence DataInfluenza A Virus, H5N2 SubtypeVirus DiseasesCell LineAntiviral AgentsOseltamivirRNA, ViralChickensSeasonsGenes, ViralVirus AssemblyDogsInfluenza A Virus, H1N2 SubtypeSimian virus 40Defective VirusesDominance, CerebralPlant VirusesDNA VirusesVaccinationAmino Acid SequenceSindbis VirusMeasles virusDucksReassortant VirusesRabies virusCerebrumVaccines, InactivatedRespiratory Syncytial VirusesFerretsBrainWest Nile virusChick EmbryoMadin Darby Canine Kidney CellsAmantadineHepatitis B virusPoultryNeutralization TestsVesicular stomatitis Indiana virusTime FactorsCercopithecus aethiopsVirus ActivationVero CellsVirionViral Plaque AssayMagnetic Resonance ImagingSequence Analysis, DNAInfluenza A Virus, H7N3 SubtypeVaccines, AttenuatedZanamivirMice, Inbred BALB CInfluenzavirus CVirus AttachmentVirus LatencyParainfluenza Virus 1, HumanCross ReactionsVirologyNucleoproteinsViral Core ProteinsVirus InactivationPneumonia, ViralCross ProtectionDNA, ViralSimian immunodeficiency virusVirulenceOncogenic VirusesReverse Transcriptase Polymerase Chain Reaction