Porcine circovirus type 2 (PCV2) infection in Hebei Province from 2016 to 2019: a retrospective study

Porcine circovirus type 2 (PCV2) is the primary causative agent of porcine circovirus-associated diseases in swine, the most common of which are postweaning multisystemic wasting syndrome (PMWS) and porcine dermatitis and nephropathy syndrome (PDNS). To investigate the prevalence and genetic diversi...

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Veröffentlicht in:Archives of virology 2021-08, Vol.166 (8), p.2159-2171
Hauptverfasser: Han, Lei, Yuan, Guang-fu, Chen, Shao-jie, Dai, Fei, Hou, Lin-shan, Fan, Jing-hui, Zuo, Yu-zhu
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container_issue 8
container_start_page 2159
container_title Archives of virology
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creator Han, Lei
Yuan, Guang-fu
Chen, Shao-jie
Dai, Fei
Hou, Lin-shan
Fan, Jing-hui
Zuo, Yu-zhu
description Porcine circovirus type 2 (PCV2) is the primary causative agent of porcine circovirus-associated diseases in swine, the most common of which are postweaning multisystemic wasting syndrome (PMWS) and porcine dermatitis and nephropathy syndrome (PDNS). To investigate the prevalence and genetic diversity of PCV2 in Hebei Province, Northern China, from 2016 to 2019, a total of 448 suspected cases of PCV2 infection were studied, and 179 samples were positive for PCV2. A pathological and histopathological examination suggested PCV2 to be cause of the observed lesions. Phylogenetic analysis showed that four genotypes were prevalent in Hebei Province: PCV2a, 2b, 2d, and 2e. Analysis of PCV2 strains using RDP4 and SimPlot showed that there were genetic recombination events among PCV2 strains in Hebei Province. A total of 3284 serum samples were screened by ELISA, and the positive rate of PCV2 antibodies was 73.9% (2428/3284). This study provides a scientific reference for the prevention and treatment of PCV2 in Hebei Province.
doi_str_mv 10.1007/s00705-021-05085-z
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subjects Antibodies
Biomedical and Life Sciences
Biomedicine
Dermatitis
Genetic diversity
Genomes
Genotypes
Hogs
Infections
Infectious Diseases
Medical Microbiology
Medical research
Nephropathy
Original Article
Phylogenetics
Phylogeny
Postweaning multisystemic wasting syndrome
Recombination
Serology
Strains (organisms)
Virology
title Porcine circovirus type 2 (PCV2) infection in Hebei Province from 2016 to 2019: a retrospective study
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