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Virus Res ; 305: 198546, 2021 11.
Article in English | MEDLINE | ID: mdl-34400225

ABSTRACT

Noroviruses can infect humans and a wide variety of other mammalian hosts, causing varying degrees of diarrhea. In this study, two novel norovirus genomes were identified for the first time in farmed raccoon dogs, designated as raccoon dog noroviruses BUCT-K1 and BUCT-K4. Neither the farmers nor the raccoon dogs had symptoms (e.g., diarrhea) at the time of sample collection. We collected 14 stool samples from two farms, and 85.7% (12/14) of the samples were norovirus positive by RT-PCR. The two norovirus genomes have the highest identity to Dog/Z7/19/CH, suggesting that the norovirus might have been transmitted from dogs to raccoon dogs. Genomic and evolutionary analyses indicated that different directions of evolution occurred following the spread of the norovirus to the raccoon dogs. This study has increased knowledge of norovirus-infected animal species and has provided additional information on the norovirus family.


Subject(s)
Norovirus , Raccoon Dogs , Animals , China/epidemiology , Diarrhea/veterinary , Farms , Genotype , Norovirus/genetics , Phylogeny
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