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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 understand the epidemiological characteristics of imported malaria cases in Neijiang City of Sichuan Province in 2014 and provide references for formulating effective strategies and measures to eliminate malaria in this city. Methods Epidemiological survey data of malaria cases in Neijiang were collected from the information system of parasitic diseases prevention and control in China Center for Disease Control and Prevention and the descriptive epidemiological method was used to analyze them. Results A total of 12 cases of malaria were reported in Neijiang in 2014, down 40.22% from 2013 (19 cases), all of which were laboratory confirmed cases of imported malaria. Among them, 7 cases (58.34%) were infected with Plasmodium vivax and 4 cases (33.33%) were malignant Malaria, 1 (8.33%) were oviparous malaria; 7 (58.33%) were from Southeast Asia and 5 (41.67%) were from African countries; they were distributed in every quarter of the year with no obvious seasonality; Occupation of farmers and migrant workers as much (66.67%), the age are concentrated in young adults (20 to 59 years old). Conclusion There is input malaria in Neijiang City. It is necessary to continue to strengthen the training and guidance to malaria prevention staff, strengthen health education and monitoring management of migrant workers, improve multisectoral coordination mechanism and lay the foundation for eliminating malaria.