中国寄生虫学与寄生虫病杂志 ›› 2017, Vol. 35 ›› Issue (1): 75-79.

• 论著 • 上一篇    下一篇

四川省2015年输入性疟疾流行病学特征分析

李黎, 刘阳, 许国君, 郁涛, 邹晏, 吴小红, 钟波*()   

  1. 四川省疾病预防控制中心,成都610041
  • 收稿日期:2016-04-07 出版日期:2017-02-28 发布日期:2017-03-06
  • 通讯作者: 钟波
  • 基金资助:
    中英全球卫生支持项目(No. GHSP-OP101)

Epidemiological characteristics of imported malaria in Sichuan Province in 2015

Li LI, Yang LIU, Guo-jun XU, Tao YU, Yan ZOU, Xiao-hong WU, Bo ZHONG*()   

  1. Sichuan Center for Disease Control and Prevention, Chengdu 610041, China
  • Received:2016-04-07 Online:2017-02-28 Published:2017-03-06
  • Contact: Bo ZHONG
  • Supported by:
    Supported by China UK Global Health Support Programme(No. GHSP?OP101)

摘要:

目的 分析四川省2015年输入性疟疾流行病学特征,为加强输入性疟疾的防控提供依据。方法 对传染病报告信息管理系统中四川省2015年的疟疾疫情数据、疟疾病例流行病学个案调查进行统计分析。结果 2015年四川省报告疟疾病例290例,其中恶性疟158例(54.5%),间日疟107例(36.9%),卵形疟14例(4.8%),三日疟1例(0.3%),间日疟与恶性疟混合感染10例(3.5%)。有5例恶性疟病例死亡。病例均为境外输入,其中非洲输入271例,占93.5%。输入病例最多的来源地是埃塞俄比亚(83例),其次为安哥拉(49例)。每月均有病例报告,12月、8月、6月和7月病例较多,共139例,占全年的47.9%。广安、成都、南充、绵阳、德阳、泸州、遂宁共报告243例,占总报告病例数的83.8%。209例病例发病后在国内医疗机构初次就诊,118例诊断为疟疾,误诊率为43.5%(91/209)。结论 2015年四川省报告的疟疾病例均为境外输入性病例,主要感染虫种为恶性疟原虫和间日疟原虫,输入地主要为非洲。医疗机构首诊误诊率较高。

关键词: 疟疾, 流行特征, 输入性病例, 四川

Abstract:

Objective To analyze the epidemiological characteristics of imported malaria in Sichuan Province in 2015 in the aim of providing scientific basis for malaria control. Methods The epidemiological data of malaria in Sichuan Province reported through the Infectious Disease Reporting and Management System of China Information System for Disease Control and Prevention in 2015 were collected and analyzed. Results In 2015, 290 malaria cases were reported in Sichuan Provinc, consisting of 158 falciparum malaria cases (54.5%), 107 vivax malaria cases (36.9%), 14 ovale malaria cases (4.8%), one quartan malaria case(0.3%), and 10 mixed infections of vivax malaria and falciparum malaria (3.5%). Five cases of falciparum malaria died. The reported cases were all imported, with a major source of Africa (271, 93.4%), in which Ethiopia (83) and Angola (49) were two major sources. The cases were reported continuously from January to December, with the majority(139, 47.9%) being reported in December, August, June and July. The cases distributed mainly in Guangan, Chengdu, Nanchong, Mianyang, Deyang, Luzhou and Suining(243, 83.8%). Among the 209 cases who first visited medical units after onset, 118 cases were diagnosed as malaria, the misdiagnosis rate at first visit was 43.5% (91/209). Conclusion The malaria cases reported in Sichuan Province in 2015 are all imported from overseas, mainly infected with P. falciparum and P. vivax, and imported mostly from Africa. There is a high rate of misdiagnosis in medical units in Sichuan Province.

Key words: Malaria, Epidemiological characteristics, Imported case, Sichuan

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