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目的 分析荆门市血吸虫病传播风险因素,预警血吸虫病传播风险。方法 将钉螺、野粪、动物传染源作为监测对象开展传播风险监测,评定Ⅰ~Ⅲ级风险环境,采取相应措施进行处理。结果 共监测52处环境和3条水系,解剖钉螺1 542只,未发现血吸虫感染性钉螺。采集有螺区野粪样本9份,未发现血吸虫卵。采集血吸虫病流行区牛、羊粪便和捕捉鼠、犬样本89份,发现3份牛粪血吸虫卵阳性。评定Ⅱ级传播风险5处,Ⅲ级传播风险48处,无传播风险2处。结论快速高效的药物灭螺可使钉螺密度大幅降低,有效降低了血吸虫病的传播风险。病牛是荆门市血吸虫病的主要传染源,建议实施牛-螺同步控制策略。
Objective To analyze the risk factors of schistosomiasis transmission in Jingmen City and to predict the risk of transmission of schistosomiasis. Methods Snail, wild manure and animal infection sources were used as monitoring objects to monitor the spread of risks and to assess the risk environment Ⅰ ~ Ⅲ, and to take appropriate measures to deal with them. Results A total of 522 environments and 3 water systems were monitored, and 1 542 snails were dissected. Schistosome-infected snails were not found. There were 9 samples of wild snout collected from snails, and no schistosome eggs were found. A total of 89 samples of cattle and sheep were collected from the prevalence area of schistosomiasis, and 3 samples of Schistosoma japonicum were found. There are 5 risk of level Ⅱ transmission and 48 risk of level Ⅲ transmission without risk of transmission. Conclusion The rapid and efficient drug snail killing can significantly reduce snail density and effectively reduce the risk of schistosomiasis transmission. Cattle disease is the main source of schistosomiasis Jingmen City, the proposed implementation of cattle - snail synchronization control strategy.