Emergence of H5N1 highly pathogenic avian influenza in Democratic People's Republic of Korea

文献类型： 外文期刊

第一作者： Liu Li-ling

作者： Liu Li-ling;Yang Huan-liang;Wang Xiu-rong;Deng Guo-hua;Shi Jian-zhong;Tian Guo-bin;Zeng Xian-ying;Guo Fu-sheng

作者机构： Chinese Acad Agr Sci, Harbin Vet Res Inst, State Key Lab Vet Biotechnol, Harbin 150069, Peoples R China;China Anim Hlth & Epidemiol Ctr, Qingdao 266032, Peoples R China

关键词： avian influenza; H5N1; Democratic People's Republic of Korea; clade 2.3.2.1c

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 2021影响因子：4.384； 五年影响因子：4.021 ）

ISSN： 2095-3119

年卷期： 2022 年 21 卷 5 期

页码：

收录情况： SCI

摘要： In the past decade, there has been extensive global surveillance for highly pathogenic avian influenza (HPAI) infection in both animals and humans, however, few studies on epidemiology of avian influenza in Democratic People's Republic of Korea (DPRK) were published. During the period 2013-2014, HPAI H5N1 viruses were detected with outbreaks in domestic poultry in DPRK. Phylogenetic analysis revealed that the hemagglutinin gene of all samples belonged to Glade 2.3.2.1c with high homology. The HPAI H5N1 virus found in ducks at the Tudan Duck Farm in 2013 was might introduced by migratory birds and then led to the outbreaks on neighboring chicken farms in 2014. These data provide direct evidence for the transmission of avian influenza viruses from wild birds to waterfowl to terrestrial birds. Therefore, the monitoring and control of influenza virus in ducks must be given top priority, which are essential components to prevent and control HPAI.

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