Defective VirusesInfluenza, HumanInfluenza A virusInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesViral InterferenceInfluenza A Virus, H3N2 SubtypeInfluenza in BirdsInfluenza A Virus, H5N1 SubtypeMurine Acquired Immunodeficiency SyndromeInfluenza B virusHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridaeOrthomyxoviridae InfectionsVaccinesVirus ReplicationPandemicsVaccines, CombinedVaccinationRNA, ViralAntibodies, ViralVesicular stomatitis Indiana virusGuillain-Barre SyndromeAlum CompoundsVaccines, InactivatedHelper VirusesViral ProteinsVaccines, AttenuatedCell LineNeuraminidaseInfluenza A Virus, H9N2 SubtypeHemagglutinins, ViralGenes, ViralHemagglutination Inhibition TestsInfluenza A Virus, H3N8 SubtypeVirus DiseasesVirus SheddingDNA, ViralInfluenza A Virus, H7N7 SubtypeRNA VirusesBirdsVaccinia virusReassortant VirusesVirus CultivationMolecular Sequence DataReceptors, VirusVaccines, SyntheticInfluenza A Virus, H5N2 SubtypeInfluenza A Virus, H2N2 SubtypeViral Plaque AssayViral VaccinesDisease OutbreaksOseltamivirLeukemia Virus, MurineAntiviral AgentsRabies virusParticle SizeDucksAntigens, ViralInfluenza A Virus, H7N9 SubtypeVaccines, DNAInfluenza A Virus, H1N2 SubtypeVesiculovirusGenome, ViralMadin Darby Canine Kidney CellsVirus AssemblyBase SequenceDogsBacterial VaccinesSeasonsAIDS VaccinesPoultryPhylogenyNeutralization TestsVirionSimian virus 40Vaccines, SubunitCross ProtectionAmantadineCricetinaeNucleoproteinsChickensZanamivirPlant VirusesFerretsMeasles virusDNA VirusesMice, Inbred BALB CSindbis VirusRespiratory Syncytial VirusesViral Matrix ProteinsViral Core ProteinsAmino Acid SequenceCross ReactionsGenetic Complementation TestAntibodies, NeutralizingRNA ReplicaseCercopithecus aethiopsHemagglutininsPneumonia, Viral