CoronavirusCoronavirus InfectionsCoronavirus 229E, HumanCoronaviridaeCoronavirus OC43, HumanCoronavirus, FelineCoronaviridae InfectionsZoonosesCoronavirus, BovineSARS VirusPhylogenyInfluenza A Virus, H9N2 SubtypeMurine hepatitis virusMolecular Sequence DataChiropteraMicrosporidiaCoronavirus NL63, HumanTransmissible gastroenteritis virusSpike Glycoprotein, CoronavirusSequence Analysis, DNAGenome, ViralSpecies SpecificityEncephalitozoonDisease ReservoirsBirdsCoronavirus, CanineInfectious bronchitis virusInfluenza in BirdsViverridaeFeline Infectious PeritonitisBase SequenceCoronavirus, RatSevere Acute Respiratory SyndromePolymerase Chain ReactionAmino Acid SequenceVirulenceInfluenza A Virus, H5N1 SubtypeSwineGiardiasisGiardia lambliaVirus ReplicationNidoviralesInfluenza A virusCoronavirus, TurkeyAntibodies, ViralInfluenza, HumanDNA, ProtozoanRNA, ViralNucleocapsid ProteinsHemagglutinin Glycoproteins, Influenza VirusGenotypeSwine DiseasesDogsViral Envelope ProteinsRespiratory Tract InfectionsEnteritis, Transmissible, of TurkeysAntigens, CD13CatsOpen Reading FramesAcetylesteraseMutationRNA ReplicaseViral ProteinsBird DiseasesReceptors, VirusCell LineViral Nonstructural ProteinsRNA, Ribosomal, 16SGenetic VariationArterivirusMice, Inbred StrainsGastroenteritis, Transmissible, of SwineFecesDNA, RibosomalMembrane GlycoproteinsBacterial Typing TechniquesSequence AlignmentVirusesRecombination, GeneticGenes, BacterialEscherichia coliEvolution, MolecularVirologySequence Homology, Amino AcidCattleAntigens, ViralVirus DiseasesTogaviridaeCloning, MolecularPorcine Respiratory CoronavirusHemagglutinins, ViralRNA VirusesBodily SecretionsReverse Transcriptase Polymerase Chain ReactionCommon ColdVero CellsNucleocapsidSequence HomologyGenes, ViralPhenotype