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 CultivationInfluenza A Virus, H7N1 SubtypeInfluenza A Virus, H2N2 SubtypeAntigens, ViralViral ProteinsInfluenza A Virus, H5N2 SubtypeMolecular Sequence DataPhylogenyVirus DiseasesCell LineAntiviral AgentsOseltamivirRNA, ViralChickensGenes, ViralVirus AssemblyInfluenza A Virus, H1N2 SubtypeSimian virus 40DogsDefective VirusesSeasonsPlant VirusesDNA VirusesVaccinationAmino Acid SequenceSindbis VirusMeasles virusDucksReassortant VirusesRabies virusVaccines, InactivatedRespiratory Syncytial VirusesChick EmbryoMadin Darby Canine Kidney CellsFerretsAmantadineHepatitis B virusPoultryNeutralization TestsWest Nile virusVesicular stomatitis Indiana virusCercopithecus aethiopsVirus ActivationVero CellsVirionViral Plaque AssayInfluenza A Virus, H7N3 SubtypeVaccines, AttenuatedZanamivirMice, Inbred BALB CInfluenzavirus CVirus AttachmentVirus LatencySequence Analysis, DNAParainfluenza Virus 1, HumanCross ReactionsVirologyNucleoproteinsViral Core ProteinsVirus InactivationPneumonia, ViralCross ProtectionDNA, ViralSimian immunodeficiency virusVirulenceOncogenic VirusesRNA ReplicaseDrug Resistance, ViralMumps virusReverse Transcriptase Polymerase Chain ReactionSemliki forest virusGene Expression Regulation, ViralRespiratory Syncytial Virus Infections