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Phylogenetic analyses of major open reading frames of NL63-like and 229E-like CoVs in the context of alphacoronaviruses revealing evidence of recombination. The names of viruses sequenced in this study are shown in orange. Three potential recombinant genomes, of HCoV-NL63, BtKYNL63-15, and HKU8, are indicated with red circles, blue triangles, and brown squares, respectively.
