五指山市居民和上山过夜人群疟疾调查

目的 了解五指山市居民和上山过夜人群的疟疾实际流行状况及其影响因素。方法 对五指山市1013个居民和307个上山过夜进行工种、居住条件、蚊帐使用、生活习惯、疟疾防护、疟疾发病及治疗等方面的访问调查，并同时采集双份滤纸血和一个厚血膜进行PCR和显微镜带虫检查。结果 居民疟疾年发病率为15．2％，其中恶性疟、间日疟、未分型疟疾年发病率分别为3．8％、8．3％、3．2％。上山过夜人群疟疾年发病率为30．9％，其中恶性疟、间日疟、未分型疟疾年发病率分别为16．6％、6．2％、8．1％；上山过夜和不上山过夜居民带虫率分别为2．3％(7/307)和2．4％(18／744)；疟疾漏报率为89．0％。结论 五指山市疟疾流行严重，上山过夜和不采取防护措施为疟疾感染的主要原因，居民防护意识淡漠，及时就诊率低，不良的生活习惯等也是当地疟疾流行的重要原因。

Investigation of malaria infection in residents and population sleeping on mountains in Wuzhishan City

Objective To understand the actual malarial situation and epidemic factors of residents and population sleeping on mountains in Wuzhishan City Methods The 1 013 residents and 307 population sleeping on mountains in Wuzhishan City,were investigated on working types,living conditions,use of mosquito nets,life habbits,malarial protection,malarial incidence and treatment,et al ,meanwhile,2 filtre paper blood samples and a thick blood smear slide per person were collected for examination by PCR and microscopy Results The annual incidence rate in residents was 15 2%,and the rates of plasmodium falciparum,plasmodium vivax and unclear type were 3 8%,8 3%,3 2%,respectively The rates of population sleeping on mountains were 30 9%,and that of P Falciparum,P vivax and unclear type were 16 6%,6 2% and 8 1%,respectively The parasite carrying rates of populations sleeping on mountains and not doing that were 2 3% and 2 4% The miss report rate of malaria was 89 0% Conclusion Malaria is heavily endemic in Wuzhishan City were serious,the major infecting causes was sleeping on mountains and not adopting protective measures,weak protective consciousness,low trates of teating in time,bad life habbits and so on,also were the important causes of local malarial epidemic