Porcine epidemic diarrhea virusCoronavirus InfectionsSwine DiseasesCoronavirusTransmissible gastroenteritis virusGastroenteritis, Transmissible, of SwineSwineAntigens, CD13Coronaviridae InfectionsVero CellsCoronaviridaeCercopithecus aethiopsDiarrheaSpike Glycoprotein, CoronavirusChinaNucleocapsid ProteinsGenome, ViralPhylogenyMolecular Sequence DataSequence Analysis, DNAOpen Reading FramesFecesReverse Transcriptase Polymerase Chain ReactionRNA, ViralAntibodies, ViralEnzyme-Linked Immunosorbent AssayBase SequenceAmino Acid Sequence