The most frequent mutations were present in the collagenase equivalent ( COE ) and epitope regions of the spike gene of the PEDVs
Genetic relationships of PDCoVs were closely related with Chinese strains , other than those present in the USA , South Korea , Thailand and Lao 's public .
The most frequent mutations were present in the collagenase equivalent ( COE ) and epitope regions of the spike gene of the PEDVs currently circulating in the field .
Genetic relationships of PDCoVs were closely related with Chinese strains , other than those present in the USA , South Korea , Thailand and Lao 's public .