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目的调查并分析安徽省淮河以北地区疟疾回升的社会行为因素。方法2006年选择安徽省蒙城县许町镇进行现场调查,对(1岁常住居民采集滤纸干血滴,用间接荧光抗体试验(IFAT)检测人群抗体水平。对(10岁常住居民进行问卷调查,内容包括2年内患疟疾史、疟防知识知晓情况、防蚊设施使用情况、露宿行为和发热患者就医行为等,以分析该地区人群免疫状况、居民疟防知识水平和对疟疾的自我防护意识,以评价有关社会因素对疟疾回升的影响。结果调查结果显示,居民对疟疾的免疫力低下,IFAT抗体滴度≥1∶20平均阳性率为5.1%(29/571),阳性几何平均滴度倒数(GMRT)为21.49,总的GMRT为10.40。发热患者就诊率平均为82.8%(96/116),就诊间隔时间平均为5.1 d。居民疟防知识知晓率平均为21.1%(116/548),其中对疟疾预防知识的知晓率平均仅为4.0%(22/548)。防蚊设施使用率平均为38.9%(213/548);露宿率平均为26.8%(147/548),年露宿时间平均为42.6 d。2004年和2005年休根治疗率分别为33.3%(2/6)和12.0%(3/25)。结论当地居民的露宿习惯,居民对疟疾的免疫力低下,自我保护意识薄弱,疟疾病例发现和治疗不及时等,是促成疟疾局部暴发流行的主要社会行为因素。
Objective To investigate and analyze the social behavior factors of malaria recovery in the area north of Huaihe River in Anhui Province. Methods A field survey was conducted in Xu town, Mengcheng County, Anhui Province in 2006. Dry blood samples were collected from 1-year-old residents and the level of antibody was tested by indirect fluorescent antibody test (IFAT) .Results: , Which included the history of malaria in two years, the knowledge of malaria prevention, the use of anti-mosquito facilities, the behavior of sleeping behavior and the medical treatment of febrile patients, etc. to analyze the population immunization status in the area, the knowledge level of malaria prevention and self-protection awareness of malaria In order to evaluate the impact of social factors on malaria recovery.Results The survey results showed that residents with low immunity to malaria had an IFAT antibody titer≥1:20 with an average positive rate of 5.1% (29/571), positive geometric mean titer (GMRT) was 21.49, and the total GMRT was 10.40. The average rate of outpatient visits was 82.8% (96/116) and the average interval between visits was 5.1 days. The average awareness of malaria prevention among residents was 21.1% (116/548) , Of which the average awareness of malaria prevention knowledge was only 4.0% (22/548). The average utilization rate of anti-mosquito facilities was 38.9% (213/548), while the average sleeping accommodation rate was 26.8% (147/548) With an average of 42.6 days.2004 and 2005 resignations The treatment rates were 33.3% (2/6) and 12.0% (3/25) respectively.CONCLUSIONS Local residents’ routine habits of accommodation, low immunity to malaria, weak awareness of self-protection, lack of timely detection and treatment of malaria cases, etc. Major social behavioral factors contributing to the local outbreak of malaria.