Abstract
Canine parvovirus 2 (CPV2) causes one of the most serious canine viral infections, with high mortality in young dogs. In 2014, 2019, and 2021, we determined genetic sequences of CPV2 strains obtained from 39 fecal samples collected from the Yanbian Korean Autonomous Prefecture in the Jilin Province of China. Sequence alignments were performed using the major capsid protein (VP2) gene; protein sequences of these samples had high nucleotide (>97.4%) and amino acid (>95.6%) identity. All of the amino acid sequences contained Ser297Ala and Tyr324Ile mutations. Our survey indicated a high prevalence of CPV2 variants in Yanbian Prefecture, with the new CPV2a variant (26 of 39; 67%) being the most frequent. CPV2c, identified in 9 of 39 (23%) samples, had not been detected in this region previously, indicating the potential risk of CPV2 mutation. The sequences of our 39 CPV2 samples were more highly homologous to the published Chinese strains than to the CPV2 variant strains found in other countries.
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Schedule a callMore From: Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
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