Receptors, VirusHemagglutinin Glycoproteins, Influenza VirusVirus AttachmentSubstrate SpecificitySensitivity and SpecificityMolecular Sequence DataRNA VirusesInfluenza A Virus, H5N1 SubtypeAmino Acid SequenceInfluenza A Virus, H3N2 SubtypeVaccinia virusVirus ReplicationN-Acetylneuraminic AcidSpecies SpecificityFerretsCell LineInfluenza A Virus, H1N1 SubtypeGlycoconjugatesVirus CultivationGeeseVirus SheddingInfluenza, HumanVirus DiseasesHemagglutination TestsBinding SitesProtein BindingSimian virus 40Virus AssemblyHemagglutinationPlant VirusesDNA VirusesModels, MolecularDefective VirusesAdhesins, Escherichia coliNeuraminidaseDucksMeasles virusViral ProteinsSindbis VirusBirdsCricetinaeViral TropismChickensRabies virusAmino Acid SubstitutionInfluenza A Virus, H2N2 SubtypeCercopithecus aethiopsRecombinant ProteinsInfluenza A virusReceptors, Cell SurfaceInfluenza A Virus, H9N2 SubtypeAntibody SpecificityPhylogenyProtein Structure, TertiaryHemagglutininsHepatitis B virusInfluenza in BirdsWest Nile virusKineticsCells, CulturedRespiratory Syncytial VirusesLigandsHemagglutination Inhibition TestsRNA, ViralSequence Homology, Amino AcidAntigens, ViralGenes, ViralSequence Analysis, DNAVirus ActivationEscherichia coliErythrocytesPolysaccharidesBase SequenceSequence AlignmentCrystallography, X-RayVesicular stomatitis Indiana virusArrestinBinding, CompetitiveVirus LatencyVirulenceTransfectionProtein ConformationDogsStructure-Activity RelationshipCattleVero CellsRecombinant Fusion ProteinsOncogenic VirusesHeLa CellsBacterial AdhesionCHO CellsSimian immunodeficiency virusMutationPeptidesMutagenesis, Site-DirectedReceptors, G-Protein-CoupledVirionCarbohydrate SequenceMumps virusParainfluenza Virus 1, Human