ChickensPhylogenyRNA VirusesMolecular Sequence DataSequence Analysis, DNAVirus ReplicationVaccinia virusVirus CultivationPoultry DiseasesReceptors, VirusRNA, ViralPlant VirusesRabies virusPolymerase Chain ReactionVirus SheddingVirus DiseasesDNA VirusesChick EmbryoAntigens, ViralAmino Acid SequenceGenetic VariationBase SequenceGenes, ViralInfluenza A Virus, H1N1 SubtypeMicrobial Sensitivity TestsDefective VirusesViral ProteinsSimian virus 40VirulenceDNA, ViralWest Nile virusVirus AssemblyInfluenza A Virus, H3N2 SubtypeMeasles virusInfluenza A Virus, H5N1 SubtypeGenotypeNeutralization TestsHemagglutinin Glycoproteins, Influenza VirusSpecies SpecificitySindbis VirusChicken anemia virusSerotypingDNA, BacterialCell LineDisease OutbreaksVero CellsRespiratory Syncytial VirusesCercopithecus aethiopsBacterial Typing TechniquesDucksAnti-Bacterial AgentsSequence HomologyMolecular EpidemiologyViral Plaque AssayHepatitis B virusDNA PrimersAntibodies, ViralBird DiseasesBirdsOrthomyxoviridae InfectionsCytopathogenic Effect, ViralAvian leukosis virusAntiviral AgentsGenome, ViralNewcastle DiseaseHepatitis A virusSwineSequence Homology, Nucleic AcidMumps virusElectrophoresis, Gel, Pulsed-FieldVirus ActivationOrthomyxoviridaeSimian immunodeficiency virusAvian Sarcoma VirusesVirionVesicular stomatitis Indiana virusDNA Virus InfectionsInfluenza, HumanCapsidSequence AlignmentBluetongue virusCluster AnalysisDrug Resistance, MicrobialVirus LatencyInfluenza in BirdsPolymorphism, Restriction Fragment LengthRecombination, GeneticNeuraminidaseAfrican Swine Fever VirusOncogenic VirusesOpen Reading FramesHIV-1Drug Resistance, BacterialCapsid ProteinsYellow fever virusReverse Transcriptase Polymerase Chain ReactionCells, CulturedDNA FingerprintingChikungunya virusSequence Homology, Amino Acid