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Influenza D virus infection in China, 2022-2023

文献类型： 外文期刊

作者： Yu, Jieshi 1 ; Wen, Zhenyu 2 ; Hu, Wanke 3 ; Chen, Mingwang 4 ; Zhang, Yuanlong 5 ; Liu, Shasha 6 ; Wang, Gang 7 ; Wang, Zhao 8 ; Wang, Dan 9 ; Zhai, Shao-lun 7 ; Wei, Wen-kang 1 ; Li, Tianyu 4 ; Liao, Ming 2 ;

作者机构： 1.Guangdong Acad Agr Sci, Agrobiol Gene Res Ctr, State Key Lab Swine & Poultry Breeding Ind, Guangzhou 510640, Peoples R China

2.South China Agr Univ, Coll Vet Med, Natl & Reg Joint Engn Lab Medicament Zoonosis Prev, Guangdong Prov Key Lab Zoonosis Prevent & Control, Guangzhou, Peoples R China

3.Guangdong Ocean Univ, Coll Coastal Agr Sci, Zhanjiang, Peoples R China

4.Zhongshan Anim Dis Control Ctr, Zhongshan 528400, Peoples R China

5.Guangdong Anim Dis Control Ctr, Guangzhou, Peoples R China

6.South China Agr Univ, Coll Vet Med, Guangzhou, Peoples R China

7.Guangdong Acad Agr Sci, Inst Anim Hlth, Key Lab Livestock Dis Prevent Guangdong Prov, Guangzhou, Peoples R China

8.Shandong First Med Univ & Shandong Acad Med Sci, Sch Lab Anim & Shandong Lab Anim Ctr, Jinan, Peoples R China

9.Univ Kentucky, Maxwell H Gluck Equine Res Ctr, Dept Vet Sci, Lexington, KY USA

10.Guangxi Univ, Coll Anim Sci & Technol, Nanning, Peoples R China

11.Zhongkai Univ Agr & Engn, Coll Anim Sci & Technol, Guangzhou 510230, Peoples R China

关键词： Influenza D virus; phylogenetic lineage; seroprevalence; antigenic characterization

期刊名称：EMERGING MICROBES & INFECTIONS （ 影响因子：13.2； 五年影响因子：9.9 ）

ISSN：

年卷期： 2024 年 13 卷 1 期

页码：

收录情况： SCI

摘要： Influenza D virus (IDV) plays an important role in the bovine respiratory disease (BRD) complex. Its potential for the zoonotic transmission is of particular concern. In China, IDV has previously been identified in agricultural animals by molecular surveys with no live virus isolates reported. In this study, live IDVs were successfully isolated from cattle in China, which prompted us to further investigate the national prevalence, antigenic property, and infection biology of the virus. IDV RNA was detected in 11.1% (51/460) of cattle throughout the country in 2022-2023. Moreover, we conducted the first IDV serosurveillance in China, revealing a high seroprevalence (91.4%, 393/430) of IDV in cattle during the 2022-2023 winter season. Notably, all the 16 provinces from which cattle originated possessed seropositive animals, and 3 of them displayed the 100% IDV-seropositivity rate. In contrast, a very low seroprevalence of IDV was observed in pigs (3%, 3/100) and goats (1%, 1/100) during the same period of investigation. Furthermore, besides D/Yama2019 lineage-like IDVs, we discovered the D/660 lineage-like IDV in Chinese cattle, which has not been detected to date in Asia. Finally, the Chinese IDVs replicated robustly in diverse cell lines but less efficiently in the swine cell line. Considering the nationwide distribution, high seroprevalence, and appreciably genetic diversity, further studies are required to fully evaluate the risk of Chinese IDVs for both animal and human health in China, which can be evidently facilitated by IDV isolates reported in this study.

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