Reassortant VirusesInfluenza A virusInfluenza, HumanInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H1N1 SubtypeOrthomyxoviridae InfectionsInfluenza A Virus, H1N2 SubtypeInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusNeuraminidaseInfluenza in BirdsInfluenza VaccinesOrthomyxoviridaeInfluenza A Virus, H9N2 SubtypeInfluenza B virusFerretsVirus ReplicationHemagglutinins, ViralGenes, ViralBirdsVaccines, AttenuatedDucksViral ProteinsRNA, ViralVirus SheddingRotavirusHemagglutination Inhibition TestsAntigens, ViralPoultryInfluenza A Virus, H5N2 SubtypePhylogenyAntibodies, ViralPandemicsRNA VirusesEncephalitis Virus, CaliforniaMammalian orthoreovirus 3Influenza A Virus, H7N7 SubtypeReceptors, VirusInfluenza A Virus, H2N2 SubtypeVaccinia virusMolecular Sequence DataSaimiriVirus CultivationVirulenceRNA ReplicasePoultry DiseasesDogsReoviridaeCell LineInfluenza A Virus, H3N8 SubtypeSwine DiseasesMadin Darby Canine Kidney CellsHemagglutination, ViralRecombination, GeneticViral Core ProteinsInfluenza A Virus, H7N9 SubtypeDisease OutbreaksReoviridae InfectionsCapsid ProteinsChickensOrthoreovirusVirus DiseasesReverse GeneticsSwineNucleoproteinsRotavirus InfectionsAntiviral AgentsSequence Analysis, DNAOseltamivirVirus AssemblySimian virus 40BunyaviridaeDefective VirusesNeutralization TestsGenome, ViralViral Plaque AssayLassa virusVaccines, InactivatedCapsid