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, ViralDisease OutbreaksPandemicsInfluenza A Virus, H7N7 SubtypeInfluenza A Virus, H3N8 SubtypeVirus SheddingVirus CultivationInfluenza A Virus, H7N1 SubtypeInfluenza A Virus, H2N2 SubtypeAntigens, ViralViral ProteinsInfluenza A Virus, H5N2 SubtypePhylogenyMolecular Sequence DataVirus DiseasesAntiviral AgentsCell LineOseltamivirRNA, ViralChickensGenes, ViralVirus AssemblyDogsInfluenza A Virus, H1N2 SubtypeSimian virus 40Defective VirusesSeasonsVaccinationPlant VirusesDNA VirusesAmino Acid SequenceDucksSindbis VirusReassortant VirusesMeasles virusVaccines, InactivatedRabies virusRespiratory Syncytial VirusesPoultryFerretsChick EmbryoMadin Darby Canine Kidney CellsNeutralization TestsAmantadineHepatitis B virusWest Nile virusVesicular stomatitis Indiana virusCercopithecus aethiopsVero CellsVirionViral Plaque AssayVirus ActivationVaccines, AttenuatedMice, Inbred BALB CInfluenza A Virus, H7N3 SubtypeSequence Analysis, DNAZanamivirVirus AttachmentInfluenzavirus CVirus LatencyVirologyCross ProtectionCross ReactionsParainfluenza Virus 1, HumanNucleoproteinsViral Core ProteinsVirus InactivationVirulencePneumonia, ViralDNA, ViralSimian immunodeficiency virusRNA ReplicaseDrug Resistance, ViralOncogenic VirusesTime FactorsReverse Transcriptase Polymerase Chain ReactionPolymerase Chain ReactionMumps virusSemliki forest virus