2015-2019年山东省泰安市输入性疟疾的流行病学分析

Epidemiological analysis on imported malaria in Tai'an,2015-2019

目的分析2015—2019年山东省泰安市输入性疟疾病例疫情特征,为巩固消除疟疾成果提供参考。方法通过“中国疾病预防控制信息系统”和“中国寄生虫病防治信息管理系统”,采用统计学方法对2015—2019年泰安市输入性疟疾病例监测和疫情报告资料进行流行病学分析。结果2015—2019年泰安市共报告输入性疟疾病例122例,其中恶性疟85例(69.67%)、间日疟12例(9.84%),发病时间无明显季节性,病例以40~49岁年龄组最多(45.08%,55/122),患者发病当天确诊率达35.25%(43/122)。病例居住地主要集中在3个区(县)(90.16%,110/112)。输入来源地主要集中于非洲和亚洲的巴基斯坦等国家。结论泰安市输入疟疾病例在病例地区分布和输入来源地及病例类型上均有明显的地域分布特点,应继续加强重点国家输入性疟疾的监测和管理,巩固疟疾消除成果。

Objective To analyze the epidemiological characteristics of imported malaria cases in Tai'an,Shandong province,from 2015 to 2019 for the prevention and control of malaria.Methods The incidence data malaria were collected through the Information Management System for Infectious Diseases Report of China and Parasitic Diseases Control and Prevention System,The surveillance and reported data of imported malaria were analyzed statistically.Results From 2015 to 2019,a total of 122 cases of imported malaria were reported in Tai'an,including 85 cases of falciparum malaria(69.67%,85/122),12 cases of vivax malaria(9.84%,12/122).The disease onset showed no significant seasonal variations.Most imported malaria cases were distributed in age group 40-49 years(45.08%,55/122).The diagnosis rate on the onset day was 35.25%(43/122).The imported malaria cases were mainly reported in three districts(90.16%,110/112).The source countries mainly were in Africa and Asia(Pakistan).Conclusion The imported malaria cases in Tai'an had obvious area,type and source country specific distribution characteristics.Continued efforts are needed to strengthen the surveillance and management of imported malaria cases from some key countries to consolidate the achievement in malaria elimination.