1993～2008年烟台市疟疾发病情况分析

Epidemic Situation of Malaria in Yantai City from 1993 to 2008

[目的]探讨烟台市疟疾基本消灭后期的流行特征,为现阶段疟防工作提供科学依据。[方法]对烟台市1993～2008年疟疾监测、疫情与调查资料进行分析。[结果]烟台市1993～2008年共发现疟疾病例130例,死亡1例,年发病率为0.05/10万～0.32/10万,年均发病率为0.12/10万。130例病例中,输入性病例占96.9%(126例),其中来自国内省份的86例,来自国外的40例;恶性疟17例(占13.08%)。4例本地病例分布在海阳市(2例),招远市(1例),蓬莱市1例。输入性病例中,5～9月发病的占74.60%,本地病例均在6～8月发病。1993～2008年全市合计监测"三热"病人188722人次,检出疟原虫阳性病人101例,阳性率为0.05%。病例均为单发,未发生输入性继发病例。[结论]烟台市疟疾疫情持续保持在基本消灭疟疾的标准内,病例主要为输入性。

[Objective]To analyze the epidemics character of malaria after malaria being eliminated in Yantai and provide basis for malaria control. [Methods]The data concerning population, malaria infection report and surveys form 1993 to 2008 were gathered and analyzed. [Resuits]130 malaria cases were reported from 1993 to 2008 including 1 death case in Yantai. The incidence was from 0.05/100 000 to 0.32/100 000 every year, while the mean incidence was 0.12/ 100 000. Among the 130 malaria cases, 96.9% of the cases（126 cases） were imported cases, including 86 cases import from domestic and 4,0 cases from abroad. 17 cases were malignant malaria,accounted for 13.08%. The 4 local cases distributed in Haiyang（2 cases）,Zhaoyuan（1 cases）, Penglai （1 cases）. 79.6 % of imported cases occurred between May and September while all of locally acquired cases occurred between June and August. From 1993 to 2008,188 722 three fever patients were tested in Yantai and 101 cases of malaria parasite-positive patients were found, and the positive rate was 0.05 %. Cases were all single, no secondary cases occurred. [Conclusion]Epidemic situation of malaria in Yantai maintains the basic standards for the eradication of malaria. Cases are mainly imported.