海南农垦疟疾监测措施及防治效果分析

Analysis of measures in surveilance of malaira and control results in Nongken system of Hainan Province.

目的总结近10年来海南农垦疟疾监测措施的现状及其防治效果，为进一步完善疟疾防治对策提供依据。方法运用回顾性调查方法，收集1996～2005年垦区疟疾监测资料进行统计和分析，评价疟疾防治效果。结果近10年来海南农垦疟疾发病率总体呈下降趋势，平均每年病例递减9．97％。全垦区共监测本地常住人口发热病人474589人次，流动人口发热病人106319人次，平均血栓阳性率分别为1．10％和3．57％，流动人口血栓疟疾感染相对危险度（RR）为本地常住人口的3．25倍；每年监测均发现主要传疟媒介是大劣按蚊和微小按蚊；每年4，10月为疟疾高发季节，发病高峰出现在6—8月；现症病人和疟史抗复发治疗率及人群预防服药率分别为95．63％、88．52％和90．16％。结论采取以发热病人血检的病原学监测、主要传疟媒介监测、现症病人根治和流动人口管理的综合监测措施是行之有效的，防治效果是明显的。

Objective To analyze the measures in surveillance of malaria and control results in Hainan Nongken system of Hainan Province. Methods Dada concerning malaria surveillance and control in Nongken General Bureau system of Hainan Province were gathered and retrospectively analyzed and the results were evaluated. Results Malaria incidence in Nongken General Bureau system showed a descending rend in the last ten years and the rate of malaria infections dropped by 9.97% annually. There 474 589 feverish cases were examined including 106 319 mobile populations with blood examination rate and positive rate of 1.10% and 3.57%. The relative risk of mobile population was 3.25 times higher than that of local inhabitants. The main veetors annually monitored were A. dirns and A. minimus. Annual malaria infection seasons were from April to October with its peak from June to August. Drug administration rates of current infections, antirelapse treatment and mass prophylaxis were 95.63 %, 88.52% and 90. 16%. Conclusion The integrated control measures of monitoring feverish cases and vectors, radical treatment of infections and malaria management of mobile populations are effective with marked control results.