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目的掌握浙江省血吸虫病疫情变化趋势,为制定防治策略提供科学依据。方法采用5m系统抽样结合环境抽查方法进行查螺,利用压碎法检查钉螺感染情况,药物结合土埋方法进行灭螺;通过血清学方法过筛再用尼龙绢袋集卵孵化法对居民、流动人群及家畜进行血吸虫病检测。结果2015年浙江省有螺乡(镇)94个,村328个,实有钉螺面积65.72 hm~2,新查出有螺面积0.86 hm~2;解剖钉螺78428只,未发现感染性钉螺。血清学调查阳性率为0.60%(679/112800);输入性血吸虫病患者8例;未发现本地粪检阳性病例(或病畜)。共救治晚期血吸虫病患者1119例。结论浙江省血吸虫病疫情稳定,但重新传播的流行因素仍然存在,应坚持以查灭钉螺和防控输入性传染源为主的综合巩固策略。
Objective To grasp the trend of the epidemic situation of schistosomiasis in Zhejiang Province and provide a scientific basis for making prevention and cure strategies. Methods Sampling was conducted by sampling with 5m system and environmental sampling method. The snail infection was examined by crushing method and the drug was combined with soil burying method. Population and livestock for schistosomiasis detection. Results In 2015, there were 94 villages and 328 villages in Youluo Township, Zhejiang Province. There were 65. 72 hm ~ 2 of snails and 0.86 hm ~ 2 newly found snails. 78428 snails were dissected and no infectious snails were found. Serological survey positive rate was 0.60% (679/112800); 8 cases of imported schistosomiasis; no local fecal positive cases (or sick animals) were found. A total of 1119 patients with advanced schistosomiasis treatment. Conclusion The epidemic situation of schistosomiasis in Zhejiang Province is stable, but the epidemic factors of retransmission still exist. Therefore, we should insist on the comprehensive consolidation strategy that mainly focuses on the detection of snails and the prevention and control of sexually transmitted infections.