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Genome deletions or insertions identified in the complete sequence alignment of PDCoV strains. Sequence alignments of PDCoV strains from different countries by using EditSeq and MegAlign in DNAStar Lasergene Version 7 software packages. The dots (•) and dashes (–), respectively, indicate the exact nucleotide matches or deletions compared to the CHN/HKU15-44/2009 strain, while the boxes indicate the main deletions and insertions in the PDCoV CHN/GX/1468B/2017 strain.
