2014年四川省内江市输入性疟疾病例流行病学特征分析

Epidemiological Characteristics of Imported Malaria Cases in Neijiang City in 2014

目的 了解2014年四川省内江市输入性疟疾病例流行病学特征,为制订适合本市的有效消除疟疾策略和措施提供参考依据。方法 从中国疾病预防控制中心寄生虫病防治信息管理系统收集内江市疟疾个案流行病学调查资料,采用描述流行病学方法进行分析。结果 2014年内江市共报告12例疟疾,比2013年（19例）下降40.22%,均为实验室确诊的输入性病例;其中7例（58.34%）间日疟,4例（33.33%）恶性疟,1例（8.33%）卵形疟;7例（58.33%）来自东南亚,5例（41.67%）来自非洲国家;全年每季度均有分布,无明显季节性;人群感染全部为男性,职业以农民及民工为多（占66.67%）,年龄均集中在青壮年（20~59岁）。结论 内江市存在输入性疟疾,需继续加强对疟防人员的培训和指导,加强对流动人员的健康教育和监测管理,健全多部门协调机制,为消除疟疾奠定基础。

Objective To provide references for formulating the effective strategies and measures of the elimination of malaria for Neijiang city by analyzing the epidemiological characteristics of imported malaria cases in Neijiang city in 2014. Methods The epidemiologieal data of malaria cases collected from the parasitic diseases information management system of Chinese CDC were analyzed with descriptive epidemiological method. Re- sults A total of 12 lab confirmed cases of malaria were reported in Neijiang city in 2014, decreased by 40.22% compared with 2013 （19 cases）. Among the 12 cases, 7 cases （58.34%） were of vivax malaria, 4 cases （33.33%） were of falciparum malaria and one case （8.33%） was of ovale malaria. Seven cases （58.33%） were from Southeast Asia, 5 cases （41.67%） were from African countries. The cases were distributed throughout each season and with no significant seasonality. The infected people were all male and were mainly professional farmers and migrant workers （66. 67 % ） and were concentrated in the young age （20 to 59 years old）. Conclusion The prevention and control status of imported malaria is not optimistic. It is necessary to continuously strengthen the training and guidance in malaria control staff, as well as the health education and monitoring and management for the floating populations. The multi - seetoral coordination mechanisms need to be improved to lay the foundation of elimination of malarial.