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〔目的〕分析西尼罗热传入我国的各种风险因子,并对其进行监测;提出在国境口岸预防控制西尼罗热的措施。〔方法〕了解国内外对西尼罗热的研究进展,分析和监测影响西尼罗热传入我国的各种风险因子。其包括候鸟迁徙,可传播西尼罗热的蚊类的分布,疫区入境人群等。〔结果〕鸦科的鸟类对西尼罗热特别易感,我国共有鸦科鸟类11属27种,并且是常见鸟类。我国有3条候鸟迁徙路线,传播西尼罗热的风险较高。致倦库蚊、淡色库蚊、三带喙库蚊、凶小库蚊等我国常见蚊种可以传播西尼罗热。西尼罗病毒与在我国流行较为广泛的乙型脑炎病毒存在交叉免疫反应。〔结论〕目前尚未发现我国存在西尼罗病毒的证据,但存在传入风险,国境口岸可以采取分级应对的措施。
[Objective] To analyze and monitor the various risk factors that West Nile heat has introduced into our country and put forward the measures to prevent and control West Nile in the border crossings. [Methods] Learn the research progress of West Nile fever at home and abroad, analyze and monitor the various risk factors that affect the transmission of West Nile fever into our country. It includes the migration of migratory birds, the distribution of West Nile fever mosquitoes, the infested population and so on. [Results] The birds of the Corvida family are particularly susceptible to West Nile fever. There are 27 species of 11 genera of the Corvidae birds in our country. There are three migratory migratory routes in my country, and the risk of spreading West Nile fever is high. Culex quinquefasciatus, Culex pipiens pallens, Culex tritaeniorhynchus, Culex pipiens pallens and other common mosquito species can spread West Nile fever. West Nile virus has a cross-immune response with the Japanese encephalitis virus that is more prevalent in our country. [Conclusion] There is no evidence of West Nile virus in our country at present, but there is the risk of transmission, and the cross-border ports can take the measures of grading.