2017年第1季度全球禽流感疫情分析
发布时间:2024-02-04 10:18:15
2017年第1季度全球禽流感疫情分析杜 建,兰邹然,刘 祥,刘林青,张淼洁,付 雯,翟新验(1. 中国动物疫病预防控制中心,北京 100125;2. 山东省动物疫病预防与控制中心,山东济南 250022)2017年第1季度全球共有45个国家和地区报告发生高致病性禽流感疫情(欧洲27个)摘 要:,有6个国家报告发生低致病性禽流感疫情。病毒血清型众多,其中高致病性禽流感病毒包括H5N1、H5N2、H5N5、H5N6、H5N8和H7N9等6个亚型,低致病性禽流感病毒包括H7N3、H7N6、H5N2、H5N3、H5N1、H5N9和H7N9亚型等7个亚型,而H7N9亚型首次确认为高致病性亚型。全球2月份报告的禽流感疫情数最多,共报告了650起;1月份次之,为580起;3月份则大幅减少,为215起。总体而言,2017年第1季度的全球禽流感疫情形势较为复杂,全球化特征明显,欧洲成为疫情的重灾区。关键词:禽流感;疫情分析;全球S851.3 文献标识码:A 文章编号:1005-944X(2017)06-0022-05中图分类号:DOI:10.3969/j.issn.1005-944X.2017.06.0061211111Analysis of Global Avian Influenza Epidemic Status in the First Quarter of 2017Du Jian1,Lan Zouran2,Liu Xiang1,Liu Linqing1,Zhang Miaojie1,Fu Wen1,Zhai Xinyan1(1. The Center for Animal Disease Control and Prevention of P.R. China,Beijing 100125;2. Shandong Provincial Center for Animal Disease Control,Jinan,Shandong 250022)A total of 45 countries and regions were reported to have occurred highly pathogenic avian influenza(HPAI)Abstract:in the first quarter of 2017,with the largest number of countries in Europe (27),and 6 countries were reported to have occurred of low pathogenic avian influenza(LPAI). The subtypes of HPAI include H5N1,H5N2,H5N5,H5N6,H5N8 and H7N9 subtypes,in which the H7N9 subtype was confirmed to belong to HPAI subtype. The subtypes of LPAI include H7N3,H7N6,H5N2,H5N3,H5N1,H5N9 and H7N9 subtypes. The number of reported cases was the largest in February,with a total of 650 reported cases,followed by January(580),and the number of reported cases(215)in March significantly decreased. In summary,the epidemic status of avian influenza was (AI)characterized by globalization and complex in the first quarter in 2017,and Europe has become the most severe affected areas of AI.avian Influenza;epidemic status analysis;globalKey words:禽流感(Avian Influenza,AI)是禽流行性感冒的简称,是由正粘病毒科正粘病毒属的A型流感病毒(Avian Influenza Virus,AIV)引起的禽类传染病,通常只感染禽类,偶尔也会感染猪等哺乳动物。通常禽类呼吸系统细胞中存在alpha2-3类多糖受体,禽流感病毒表面的血凝素能与这种受基金项目:国家重点研发计划项目