Recent advances in the study of NADC34-like porcine reproductive and respiratory syndrome virus in China

Since porcine reproductive and respiratory syndrome virus (PRRSV) was first described in China in 1996, several genetically distinct strains of PRRSV have emerged with varying pathogenicity and severity, thereby making the prevention and control of PRRS more difficult in China and worldwide. Between...

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Published inFrontiers in microbiology Vol. 13; p. 950402
Main Authors Zhao, Hong-zhe, Wang, Feng-xue, Han, Xiao-yu, Guo, Hao, Liu, Chun-yu, Hou, Li-na, Wang, Ya-xin, Zheng, Hui, Wang, Lu, Wen, Yong-jun
Format Journal Article
LanguageEnglish
Published Frontiers Media S.A 22.07.2022
Subjects
Microbiology
NADC34-like
pathogenicity
PRRSV
recombination
RFLP
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Summary:Since porcine reproductive and respiratory syndrome virus (PRRSV) was first described in China in 1996, several genetically distinct strains of PRRSV have emerged with varying pathogenicity and severity, thereby making the prevention and control of PRRS more difficult in China and worldwide. Between 2017 and 2021, the detection rate of NADC34-like strain in China increased. To date, NADC34-like strains have spread to 10 Chinese provinces and have thus developed different degrees of pathogenicity and mortality. In this review, we summarize the history of NADC34-like strains in China and clarify the prevalence, genomic characteristics, restriction fragment length polymorphisms, recombination, pathogenicity, and vaccine status of this strain in China. In so doing, this study aims to provide a basis for the further development of prevention and control measures targeting the NADC34-like strain.
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Reviewed by: Mark Parcells, University of Delaware, United States; Ma. Cristina Del Rincón-Castro, University of Guanajuato, Mexico
This article was submitted to Virology, a section of the journal Frontiers in Microbiology
These authors have contributed equally to this work and share first authorship
Edited by: Xiaohong Liu, Sun Yat-sen University, China
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2022.950402