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Maximum likelihood tree of Alphacoronavirus 1 strains detected in Colombian dog is shown in bold, based on the S gene primers for CCoV-I (nt 3541-3886) of the KP849472.1 sequence, while the root is represented by DQ482406.1 (CRCoV). Numbers represent the bootstrap values (1,000 replicates). The bar shows the number of substitutions per nucleotide per site.
