河南省永城市2005年疟疾疫情分析

Analysis of malaria epidemic situation in Yongcheng of Henan Province in 2005

目的分析河南省永城市2005年的疟疾疫情,为当地的疟疾防治提供依据。方法收集永城市2005年的疟疾疫情数据,采用EpiInfo软件制作流行病学地图,进行流行病学分析。结果2005年永城市疟疾发病710例(均为间日疟),发病率为5.19/万,比2004年增加3.23倍。流行病学地图显示病例集中在南部地区的16个乡镇,发病人数为650例,占全市疟疾病例总数的91.55%。发病年龄集中在1039岁,占病例总数的51.83%(368/710);疟疾患者的男女性别比为1.30∶1(401/309);农民和学生为主要发病人群,分别为504例(70.99%)和172例(24.23%),两者占发病总数的95.22%。夏秋季节的810月份发病占全年疟疾病例总数的82.54%(586/710),其中9月份发病数达高峰,占30.56%(217/710)。结论河南省永城市疟疾疫情处于明显回升态势,应加强疟疾防治的各项措施,尽快遏制疫情上升势头。

Objective To analyze the malaria epidemic situation in Yongcheng city of Henan province in 2005 and to provide evidence for malaria control and prevention. Methods Malaria epidemic data in Yongcheng city in 2005 were analyzed using epidemiological map made by Epi Info software. Results Total 710 cases of vivax malaria were reported with an incidence rate of 5.19 per ten thousand in 2005 and it is the 4.23 times of that in 2004. The number of malaria cases reported from 16 townships in southern parts of the city was 650, accounting for 91.55% of the total. Of 710 cases studied, the 10-39 years age old comprised 51.83% of the total. The ratio of male to female was 1.30： 1（401/309）. Farmer and pupils accounted for 70.99% （504/710） and 24.23%（172/710） of the cases, respectively. 82.54% （586/710） of the cases was found during August-October, the incidence rate reached to the peak and accounted for 30.56% （217/710） in September. Conclusion The re-emergence of malaria was obvious in Yongcheng city. Various malaria control measures should be strengthened and the rising trend of malaria situation should be suppressed as rapid as possible.