2003～2009年河南夏邑县疟疾疫情监测分析

Epidemiological analysis of malaria situation in Xiayi County of Henan Province in 2003～2009

目的了解夏邑县疟疾流行病学特征，探讨进一步控制疟疾策略。方法收集夏邑县2003～2009年疟疾疫情报告、个案病例调查资料，应用流行病学方法进行统计和分析。结果夏邑县2003．2009年共报告疟疾病例1207例（其中1例为输入性恶性疟），年发病率为0．8／10万～38．16／10万，2003～2006年发病率均较上年升高4倍以上，2007年较2006年上升48．81％，2008年、2009年分别较上一年下降了33．67％和60．07％。发病主要集中在胡桥、岐河二个乡镇，占全县发病总数的25：43％。发病高峰在8～10月份，占全年病例数的56．59％。男女性别比为1．19：1，农民和学生分别占81．47％和17．23％。5～9月媒介调查共捕获中华按蚊289只，未发现嗜人按蚊。结论经采取各项防治措施后，夏邑县疟疾疫惰快速上升的趋势得到有效遏制。

Aim To survey the prevalent features of malaria in Xiayi County,Henan Province and explore malaria control strategy. Mehtods Data concerning malaria eontrol in xiayi from 2003-2009 were collected and analyzed. Results From 2003-2009 there 1 207 malaria cases were reported including n imported falciparum malaria,with an annual incidence rate of 0.8/100 000-38.16/100 000 population and an average annual incidence rate of 15.08/100 000. The incidence in 2003-2006 increased 4 times than the previous year,and an increase of 48.81% in 2007 than that of 2006. The incidence rates in 2008 and 2009 were reduced by 33.67% and 0.07%. The eases were mainly in the townships of Huqiao, Qihe, ccotmted for 25.43%（307/1207） ofthe total infecions. The peak of infection was from August to October accounted for 56.59%（683/1207）. The ratios of males to females were 1.19：1 （655/552） and most of the cases were farmers and students accounted for 81.47%（983/1207） and 17.23%（208/1207）. There 28 microscopy stations were set up and 167 moerospists/ times were trained,a total of 44 159 feverish cases were examined and 547 positives were detected. There 289 mosquitoes were captured from May to September and no Anophels anthropophogus were identified. Totally 1 206 new infections were treated with eloroquine and primaquine for 8 days. In addition, 3 107 persons were treated during transmission resting stage, drug prophylaxis was given to 978 persons in mobile population, 1 324 microscopists were trained,200 000 copies of propaganda materials were distributed and 144 times of minotring inspections were conducted. Concusion Malaria transmission in Xiayi County had been under effective control ＇after implementation of control meaures.