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. 2017 Sep;23(9):1607–1609. doi: 10.3201/eid2309.170915

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Phylogenetic tree based on the whole-genome sequences of PEAV, bat CoVs, and other representative CoVs, China, 2017. Analyses were conducted by using MEGA software version 6.0 (http://www.megasoftware.net) with the neighbor-joining algorithm. Bootstrap values were calculated with 1,000 replicates. The number on each branch indicates bootstrap values. Solid triangle indicates the GDS04 strain, open triangles alphacoronaviruses, circles betacoronavirusese, squares gammacoronaviruss, inverted triangle deltacoronavirus. Scale bar indicates nucleotide substitutions per site. CoV, coronavirus; PDCoV, porcine deltacoronavirus; PEAV, porcine enteric alphacoronavirus; PEDV, porcine epidemic diarrhea virus; PHEV, porcine hemagglutinating encephalomyelitis virus; PRCV, porcine respiratory coronavirus; SARS, severe acute respiratory syndrome; TGEV, transmissible gastroenteritis virus.