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目的掌握岳阳县二郎村螺情、血吸虫病人畜病情变化规律,为制定血吸虫病防治规划提供科学依据。方法2005-2012年连续8年对二郎村进行螺情、血吸虫病病情监测。结果二郎村人群血吸虫感染率从2005年的2.76%下降到2012年的0.54%,下降幅度为80.43%;家畜血吸虫感染率从2005年的8.51%下降到2012年的0。垸内连续8年未发现钉螺,垸外感染性钉螺密度2005年为0.000 5只/0.1 m2,之后持续下降,2009-2012年连续4年未发现感染性钉螺。结论二郎村螺情、人畜病情指标已达到血吸虫病传播控制标准。
Objective To understand the changing rules of snails and schistosomiasis in Erlang village, Yueyang county, and provide a scientific basis for the prevention and control plan of schistosomiasis. Methods From 2005 to 2012, Erlang village was monitored for hernia and schistosomiasis for 8 consecutive years. Results The infection rate of schistosomiasis in Erlang village dropped from 2.76% in 2005 to 0.54% in 2012, down by 80.43%. The infection rate of domesticated schistosomes dropped from 8.51% in 2005 to 0 in 2012. The snails were not found in the embankment for 8 consecutive years. The density of infectious snails outside the embankment in 2005 was 0.000 5 /0.1 m2, and then declined continuously. No contagious snails were found from 2009 to 2012 for 4 consecutive years. Conclusion Erlang village snail, human and animal disease indicators have reached the schistosomiasis transmission control standards.