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目的探讨广西3个低疟区县疟疾监测措施和效果。方法在上思县、全州县和天峨县,采用定点、定时(19:00~22:00)、定人室外人诱和室内早晨(5:00~7:00)50床蚊帐内捕蚊,计算媒介蚊虫叮人率。对发热患者血检疟原虫侦查传染源,用常住居民发热患者血检疟原虫阳性率和低年龄儿童疟疾抗体阳性率评估防治效果。结果上思、全州和天峨3个县,疟疾发病率从2005年的0.15/万下降至2013年的0.14/万;常住居民发热患者血检疟原虫阳性率从2005年的0.004%(1/24 949)下降至2007年的0%(0/11 249),2008~2013年未发现本地感染疟疾病例和输入性疟疾二代病例。但是,当地疟疾传播媒介依然存在。结论疟疾监测措施有效,早期发现治疗传染源是控制疟疾传播的关键。
Objective To investigate the malaria surveillance measures and their effects in 3 low malaria counties in Guangxi. Methods In Shangsi County, Quanzhou County and Tian’e County, fixed-point, fixed-time (19:00 ~ 22:00), indoor-outdoor temptations and indoor morning sickness (5: 00-7: 00) Mosquito, vector vector Mosquito bites the rate. To detect the infection source of Plasmodium in blood of fever patients, evaluate the positive control rate of Malaria seropositive by the blood of the resident residents and the positive rate of malaria antibody in the children of low age. Results The incidence rates of malaria in Shangshang, Quanzhou and Tian’e counties dropped from 0.15 / million in 2005 to 0.14 / million in 2013. The positive rate of blood samples of common malaria patients from 0.004% (1 / 24 949) to 0% (0/11 249) in 2007, and no locally infected malaria cases or imported second cases of malaria were detected in 2008-2013. However, the local malaria transmission medium still exists. Conclusion The malaria surveillance measures are effective and early detection of the source of infection is the key to control the spread of malaria.