福建省残存嗜人按蚊清除效果观察

目的：清除残存嗜人按蚊，阻断疾病传播。方法：搜索残存嗜人按蚊，实施溴氰菊酯浸泡蚊帐灭蚊，复查所有嗜人按蚊分布点，评价清除效果。结果：1989-1994年，于建阳、武夷山、邵武、顺昌和三元等县（市、区）发现残存嗜人按蚊分布点42个，嗜人按蚊占人房按蚊组成的26.20%。2001年完成闽北地区灭蚊后全部嗜人按蚊分布点的复查工作，95.80%分布点经2-3次以上反复性复查，最多达12次，所有复查点均未再捕获嗜人按景。1988年清除工作前，分布区疟疾发病1381例，年发病率为4.47/万。采取措施后，疟疾发病率显著下降，1995年后，嗜人按蚊分布区未再发生疟疾暴发流行。1998-2001年，未发现当地疟疾感染者。结论：闽北地区嗜人按蚊巳被清除，当地疟疾传播得到有效阻断。

The Effect of the Surviving Anopheles anthropophagus Eradicated in Fujian Province

Objective:To eradicated the surviving An.anthropophagus and cut off malaria dissemination. Methods:To search the surviving An.anthropophagus in the malaria epidemic regions and the mosquito nets were impregnated with detamethrin. The effect of eradicatted were evaluated by investigation again and again. Result:42 villages of surviving An.anthropophagus were found in this cities or counties such as Jianyang, Wuyishan, Shaowu, Shunchang and Sanyuan in 1989-1994. An.anthropophagus was 26.8% in a total of 2 324 caught in dwelling. The control measures were carried out again and again. The total villages distributed An.anthropophagus including surviving villages were reinvestigated and no An.anthropophagus were found. 95.8% of 258 villages were reinvestigated two to three times,with the most one for 12 times. There were 1 381 malaria cases in 1988. After the control, malaria prevalence had been controlled effectivelly and no local infection was found in 1998-2000.Conclusion:An.anthropophagus were eradicated and malaria dessemination had been controlled in Northern and Westhern of Fujian.