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目的分析2006-2010年江夏区金口街血吸虫病疫情变化趋势及其影响因素,探索今后血吸虫病防治工作策略。方法采用系统抽样结合环境抽查法查螺,用压碎法检查钉螺感染情况。采取翻耕种植、药物灭螺,或采取土埋结合药物灭螺。血清学方法结合尼龙绢集卵孵化法对居民、家畜进行查病,阳性人、畜用吡喹酮治疗。结果 5年共查螺面积16 933hm2,查出有螺面积92.7hm2,除2006年发现阳性螺外,其他年份均未发现阳性螺,有螺框出现率均<0.1%、活螺平均密度均<0.15个/框,累计查病17 939人,查出血清学阳性者1 473人,累计粪检阳性90人,居民血吸虫病感染率均低于1%,活螺平均密度和居民感染率均呈波动状态,居民血吸虫病感染率与活螺平均密度的相关系数r=0.62,有中度正相关;共检查耕牛2 529头,未查出病牛。结论江夏区金口街血吸虫病疫情轻,相对稳定,但残有钉螺面积和少量感染者,因此,加强健康教育和监测显得非常重要。
Objective To analyze the trend and influential factors of schistosomiasis epidemic in Jinkou Street in Jiangxia District from 2006 to 2010 and explore the strategies for future prevention and treatment of schistosomiasis. Methods Systematic sampling combined with environmental sampling was used to check the snail infection and the snail infection was checked by crush method. Tillage cultivation, drug snail, or to take buried drugs combined with snail. Serological methods combined with nylon silk hatching method of residents, livestock for disease detection, positive people, livestock praziquantel treatment. Results In the past five years, a total of 16 933hm2 of snail area was found, and a snail area of 92.7hm2 was found. In addition to the positive snail found in 2006, no positive snail was found in other years, the occurrence rate of snail frame was <0.1% 0.15 per box, a total of 17 939 people were examined, 1 473 seropositive ones were found, 90 were positive for total fecal examination, the infection rate of residents was less than 1%, average density of live snails and infection rate of residents were all Fluctuation, the infection rate of schistosomiasis and the average density of live snails r = 0.62, there is a moderate positive correlation; a total of 2 529 cattle were examined, no detection of sick cattle. Conclusions The epidemic situation of schistosomiasis in Jinkou Street in Jiangxia District is light and relatively stable, but the snails have a small area and a small number of infected persons. Therefore, it is very important to strengthen health education and monitoring.