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目的了解郴州市疟疾流行特征及监测效果,为疟疾防治和消除提供科学依据。方法运用描述性流行病学方法对郴州市2003-2012年疟疾流行病学及监测资料进行统计分析。结果郴州市2003-2012年共报告疟疾病例41例,年平均发病率为0.09/10万,死亡1例,无暴发疫情;其中间日疟24例(58.54%),恶性疟15例(36.58%),三日疟2例(4.88%);本地病例4例(9.76%),输入性病例37例(90.24%),93.33%(14/15)的恶性疟病例均由非洲输入;发热患者血检107 975人次,阳性率为3.43/万,疟疾病例实验室检测率和确诊率均为100%;传疟媒介主要以中华按蚊为主(86.04%),蚊密度高峰出现在7-8月。结论郴州市基本消除疟疾后,疟疾疫情控制在较低水平,病例以输入性为主,在今后的疟疾防治和消除工作中,应加强流动人口监测和发热患者血检。
Objective To understand the malaria epidemic characteristics and monitoring results in Chenzhou and provide a scientific basis for malaria control and elimination. Methods Descriptive epidemiological methods were used to analyze the malaria epidemiology and surveillance data in Chenzhou from 2003 to 2012. Results A total of 41 malaria cases were reported in Chenzhou from 2003 to 2012, with an average annual incidence of 0.09 / 100 000 and 1 death without outbreak. Among them, 24 (58.54%) were Plasmodium falciparum, 15 (36.58% (4.88%), 4 cases (9.76%) of local cases, 37 cases (90.24%) of imported cases and 93.33% (14/15) cases of falciparum malaria cases were imported from Africa. Fever blood The positive rate was 107.475 and the positive rate was 3.43 / 10000. The detection rate and the diagnosis rate of malaria cases laboratory were 100%. The main vectors of malaria transmission were Anopheles sinensis (86.04%), and the mosquito density peak appeared from July to August . Conclusion After the basic elimination of malaria in Chenzhou City, the epidemic situation of malaria is controlled at a low level. The cases are mainly imported. In the future malaria control and elimination work, the blood samples of floating population monitoring and fever patients should be strengthened.