Microscopy, ElectronMicroscopy, Electron, ScanningElectronsMicroscopy, Electron, TransmissionRNA VirusesElectron TransportVaccinia virusVirus ReplicationPhosphotungstic AcidFreeze FracturingReceptors, VirusVirus CultivationVirus SheddingVirus AssemblyVirus DiseasesSimian virus 40Plant VirusesDNA VirusesOrganoidsDefective VirusesStaining and LabelingModels, StructuralSindbis VirusMeasles virusMolecular Sequence DataInfluenza A Virus, H1N1 SubtypeMicroscopy, Phase-ContrastViral ProteinsMicroscopy, Electron, Scanning TransmissionRabies virusVirionInfluenza A Virus, H5N1 SubtypeCell MembraneMicrotomyX-Ray DiffractionCentrifugation, Density GradientProtein ConformationRabbitsCapsidInfluenza A Virus, H3N2 SubtypeCell BiologyHepatitis B virusWest Nile virusCell LineAmino Acid SequenceDNA, ViralRespiratory Syncytial VirusesMolecular WeightMacromolecular SubstancesRNA, ViralCytoplasmCryoelectron MicroscopyComputersKineticsVirus ActivationGenes, ViralImage Processing, Computer-AssistedAntigens, ViralPhylogenyModels, MolecularElectron Spin Resonance SpectroscopyHistological TechniquesAcariVesicular stomatitis Indiana virusUltracentrifugationEscherichia coliCells, CulturedCell WallHemagglutinin Glycoproteins, Influenza VirusVirus LatencyScattering, RadiationElectrophoresis, Polyacrylamide GelTime FactorsTemperatureFreezingOncogenic VirusesVero CellsCrystallographyUraniumCercopithecus aethiopsSimian immunodeficiency virusFourier AnalysisBacterial ProteinsFreeze EtchingCattleParainfluenza Virus 1, HumanBacteriophagesMumps virusMusclesMosaic VirusesMitochondriaCytoplasmic GranulesChick EmbryoHistocytochemistryChickensSemliki forest virusSpecies SpecificityCricetinaeHepatitis A virusCell Nucleus