Canine coronavirus, Greece. Molecular analysis and genetic diversity characterization

► Mixed infections prevail among CCoV infections. ► CCoV triple (CCoV-I/CCoV-IIa/CCoV-IIb) infections are reported for the first time. ► The identification of a divergent strain is reported. ► CCoV-II is more conserved in the first part of the S gene compared to CCoV type I.