Influenza, HumanInfluenza A virusSpecies SpecificityInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesInfluenza A Virus, H3N2 SubtypeInfluenza in BirdsInfluenza B virusInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridaeOrthomyxoviridae InfectionsRNA VirusesVirus ReplicationInfluenza A Virus, H9N2 SubtypeVaccinia virusPandemicsNeuraminidaseVirus CultivationReceptors, VirusVirus SheddingHemagglutination Inhibition TestsInfluenza A Virus, H7N7 SubtypeInfluenza A Virus, H3N8 SubtypeDisease OutbreaksVirus DiseasesHemagglutinins, ViralRNA, ViralViral ProteinsAntibodies, ViralInfluenza A Virus, H2N2 SubtypeAntiviral AgentsInfluenza A Virus, H7N9 SubtypeAntigens, ViralMolecular Sequence DataBirdsSequence Analysis, DNAInfluenza A Virus, H5N2 SubtypeDNA VirusesOseltamivirPhylogenyVirus AssemblyDefective VirusesPlant VirusesGenes, ViralCell LineVirulenceReassortant VirusesVaccinationSimian virus 40SeasonsDucksMeasles virusSindbis VirusAmino Acid SequenceInfluenza A Virus, H1N2 SubtypeNeutralization TestsRespiratory Syncytial VirusesRabies virusVaccines, InactivatedVaccines, AttenuatedVero CellsPoultryDogsViral Plaque AssayDNA, ViralCercopithecus aethiopsVirionPolymerase Chain ReactionWest Nile virusHepatitis B virusVesicular stomatitis Indiana virusAmantadineChickensMadin Darby Canine Kidney CellsVirus ActivationCross ReactionsOncogenic VirusesRecombination, GeneticVirus InactivationVirologyParainfluenza Virus 1, HumanVirus Physiological PhenomenaMice, Inbred StrainsVirus AttachmentHost-Pathogen InteractionsVirus LatencyNucleoproteinsSwinePlasmidsGenetic VariationCross ProtectionViral Core ProteinsMutationPoultry DiseasesRNA ReplicasePneumonia, ViralSwine DiseasesZanamivirSimian immunodeficiency virus