合肥市2008～2011年境外输入性疟疾流行病学分析

目的分析合肥市2008-2011年境外输入性疟疾流行病学特征与趋势,为制定防治措施提供依据。方法收集2008～2011年合肥市境外输入性疟疾病例疫情报告、流行病学调查表等资料,使用Excel软件和SPSS 13.0进行数据录入统计学分析。结果合肥市2008～2011年共报告境外输入性疟疾149例,恶性疟101例,死亡2例。男147例,女2例,民工、工人和农民占89.3%,发病数居前三位的分别为肥东县(占52.3%)、肥西县(占15.4%)和瑶海区(占12.8%)。148例病例来自非洲国家,1例来自柬埔寨。输入来源地居前三位的分别是:安哥拉73例(49.0%),赤道几内亚26例(17.4%),尼日利亚22例(14.7%),其他如喀麦隆、科特迪瓦、加纳等国家也有少数病例。结论合肥市境外输入性疟疾尤其是恶性疟发病呈逐年上升趋势,必须加强境外输入性疟疾病例的管理,特别是来自非洲高疟疾流行区人群的监测和病例管理。

Analysis on the epidemiological characteristics of imported malaria cases in Hefei from 2008 to 2011

Objective To analyze the epidemiological characteristics of imported malaria cases in Hefei from 2008 to 2011 and provide evidence for developing prevention and control strategies.Methods The disease reports and epidemiological materials of imported malaria cases from 2008 to 2011 in Hefei were collected and analyzed by SPSS 13.0 and Excel software.Results A total of 149 imported malaria cases were reported in Hefei from 2008 to 2011,101 falciparum cases and 2 death cases.Of all cases,89.3% were migrant workers,workers and farmers.The Mean age was 37.62 ± 7.69 years and 147 cases were male.The top three disease areas was Feidong county accounted for 52.3%,Feixi county accounted for 15.4% and Yaohai district accounted for 12.8%,respectively.Of the reported cases,148 cases were acquired from African countries,and 1 case were from Southeast Asia（Cambodia）.The first three imported sources was 73 cases from Angola（49.0%）,26 cases（17.4%） from Equatorial Guinea and 22 cases from Nigeria（14.7%）,respectively.Other countries such as Cameroon,Ivory Coast,Ghana and so on also have few cases.Conclusions The incidence of the imported malaria cases especially the faciparum cases is shown an upward trend year after year.The management and surveillance of the imported malaria cases must be enhanced especially for the people who are from Africa with high prevalence of malaria.