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Phylogenetic analysis based on the nucleotide sequence of the full-length genome of porcine deltacoronavirus (PDCoV), performed using the Bayesian Markov chain Monte Carlo (BMCMC) method. The P1_16_BTL_0116 isolate, the isolate from Lao PDR, is highlighted in yellow. The red and blue underlining indicates the US and China PDCoV group, respectively. The reference sequences obtained from GenBank are indicated by strain name and accession number (color figure online)
