亳州市2005-2013年疟疾流行特征分析

Analysis on the malaria epidemic characteristics during 2005-2013 in Bozhou City

目的 分析亳州市2005-2013年的疟疾疫情和流行特征,为疟疾防治提供依据. 方法 收集全市疟疾发病资料,用描述性流行病学方法分析疟疾病例在时间、地区和人群中的分布特点.结果 2005-2013年疟疾发病数分别为6 510、17 706、13 799、5 856、2 605、678、214、8和0例,总病例数为47 376例,平均年发病率为113.24/10万;涡阳县、蒙城县、利辛县和谯城区报告病例数分别为21 451、11 540、12061和2 321例;报告病例男女性别比为1.34∶1,以青壮年病例为主,11～20岁人群病例数最多,占总病例数的19.27％（9 130/47 376）,其余各年龄组人群发病数及构成比接近;农民与学生为主要发病人群,分别占68.44％ （32 424/47 376）和20.66％（9 787/47 376）;夏秋季节为发病的高峰期,主要集中在6 11月,共45 163例,占总病例数的95.33％;2006年较2005年,疟疾报告病例上升了2.69倍,2007 2013年,疟疾报告病例较上年分别下降22.18％、57.74％、55.77％、74.04、64.86、96.37％、100％. 结论 亳州市疟疾疫情连年呈大幅下降趋势,目前疫情基本稳定,2013年首年度实现了无本地感染病例.

Objective To analyze malaria outbreak and epidemiological characteristics from 2005 to 2013 in Bozhou City,and to provide the reference for the prevention and treatment of malaria.Methods Based on the collected data of malaria incidence in the city,the distribution characteristics of time,regions,and population of malaris cases was analyzed using descriptive epidemiology.Results Malaria cases were 6 510,17 706,13 799,5 856,2 605,678,214,8 and 0 each year from 2005 to 2013 respectively,and the total number of reported cases was 47 376,with an average annual incidence of 113.24/100 000.The number of reported cases was 21 451 in Guoyang County,11 540 cases in Mengcheng County,12 061 cases in Lixin County and 2 321 cases in Qiaocheng District.The gender ratio of reported cases was 1.34：1 （male：female）.The most cases were young adults,11 to 20 year old accounded for 19.27％ of the total number were the most cases,the rest of the age group＇s incidence and composition ratios were close.Farmers and students were the main case groups,accounting for 68.44％（32 424/47 376） and 20.66％（9 787/47 376）.The peak season for the infection was summer,the cases were concentrated in June to November,totally 45 163 cases,accounting for 95.33％ of the total cases.Malaria cases reported increased by 2.69 times in 2006 compared to 2005,however from 2007 to 2012,the malaria cases decreased by 22.18％,57.74％,55.77％,74.04％,64.86％,96.37％ and 100％,compared to the previous year.Conclusions Malaria situation in Bozhou city has shown a sharp downward trend,and the current situation was basically stable while 2013 was the first year without local infection.