1994-2007年湖北省疟疾流行态势分析

Analysis on epidemic situation of malaria from 1994 to 2007 in Hubei province

目的掌握湖北省疟疾流行态势,巩固其防治成果。方法收集1994-2007年湖北省疟疾疫情,分析疟疾流行现状和变化规律。结果疟疾发病例数从1994年的4527例下降至2007年的1769例,下降了60.92%,但14年间疟疾疫情出现不断的波动起伏,时有局部暴发点出现,中华按蚊疟区平均年发病率0.13/万,嗜人按蚊疟区平均年发病率1.99/万,80%以上的疟疾病例集中在占全省总人口26.37%的嗜人按蚊疟区。结论湖北省疟区分布及流行态势发生了重大变化,嗜人按蚊疟区是今后疟疾防治工作的重点、难点,应引起高度重视。

Objective To grasp the epidemic situation of malaria in Hubei province and consolidate the achievement of prevention and control. Methods The present status of malaria epidemic and its change situation were analyzed by collecting malaria data from 1994 to 2007. Results Incidence cases of malaria decreased from 4527 cases in 1994 to 1769 cases in 2007, down about 60.92%. Malaria epidemic situation continuously fluctuated during 14 years, and sometime it broke out in the parts. The annual average incidence rate of malaria was 13 per million in the epidemic area transmitted by Anopheles sinensis, and 199 per million in the areas transmitted by Anopheles anthropophagus. Over 80% cases focused on the areas transmitted by An.anthropophagus where its population only accounted for 26.37% of total population. Conclusion There was a great change of malaria distribution and epidemic situation in Hubei province. It should put the emphasis on the control of malaria especially the epidemic area transmitted by An. anthropophagus in the future.