上海市松江区一起林地有螺环境的预警处置结果分析

孙彩英; 吕锡宏; 郭晓芹; 陆雪辉; 靳艳军; 陆水星

doi:10.19428/j.cnki.sjpm.2020.19470

上海市松江区一起林地有螺环境的预警处置结果分析

Evaluation of the measures in early warning and disposal of snail environment in a forest land in Songjiang District, Shanghai

摘要

摘要:
目的分析松江区叶榭镇一起生态公益林血吸虫病预警疫情处置的方法，评估灭螺效果，为今后开展林地螺情监测和控制提供依据。
方法收集公益林的螺情、病情、灭螺等监测数据，进行灭螺效果评估。
结果发现钉螺面积10.47 hm²，3次灭螺后有螺面积下降98.28%。人群血清学检测1 904人，受检率88.76%，阳性率0.16%；病原学检测3人，未检出阳性病人。家畜血清学检测狗11条、羊1只，未查出阳性。对1 480只活螺进行感染性鉴定，未发现阳性钉螺。275名学生血防知识知晓率为98.2%，行为形成率为95.3%。
结论叶榭镇生态公益林的螺情得到有效的控制，但还存在散在的活钉螺，应继续加强灭螺和监测工作。

Abstract:
ObjectiveTo evaluate the methods in early warning of schistosomiasis and elimination of snails in an ecological public forest in Yexie Town of Songjiang District, and provide the basis for monitoring and controlling snails in forest land in the future.
MethodsThe monitoring data of snails, schistosomiasis and snail elimination in the public forest were collected to evaluate the effect of controlling snails.
ResultsThe area with existence of snails was found to be 10.47 hm², and it was decreased by 98.28% after three times of snail elimination.A total of 1 904 serological tests was performed (test rate of 88.76%) with the positive rate of 0.16%.Pathogenic test result was negative in 3 subjects examined.Serological samples of 11 dogs and 1 sheep were all negative for the test.None of the 1 480 live snails tested was found to be positive in infection.The awareness rate of schistosomiasis control knowledge and behavior formation in 275 students were 98.2% and 95.3%, respectively.
ConclusionThe snails in the public forest in Yexie Town have been effectively controlled, but there are still scattered living snails.The measures in eliminating and monitoring of snails should be continued and strengthened.

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