2012-2014年海宁市水网型血吸虫病监测点疫情分析

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目的了解海宁市省级血吸虫病监测点疫情动态和流行现状。方法根据《浙江省血吸虫病监测点监测方案》,2012-2014年对海宁市海昌街道勤民村省级监测点螺情、常住居民、流动人口病情等进行监测。结果 2012-2014年监测点共调查常住居民600人,血检阳性率为3.17%(19/600),粪检均为阴性;3年血检阳性率分别为2.50%(5/200)、0(0/200)、7.00%(14/200),2014年血检阳性率显著高于2013年(χ~2=14.508,P<0.01)。3年共监测流动人口1 591人,血检阳性率为0.94%(15/1 591),粪检均为阴性;其中主动监测和被动监测血检阳性率分别为0.92%(14/1 521)和1.43%(1/70),差异无统计学意义(χ~2=1.659,P>0.05);各年血检阳性率分别为1.50%(8/534)、0.56%(3/531)、0.76%(4/526),差异无统计学意义(χ~2=2.752,P>0.05)。螺情监测显示未发现阳性钉螺环境和钉螺输入。结论海宁市存在血吸虫病传染源,需警惕局部流行的可能。今后仍需加强螺情监测和外来流动人员病情监测。 Objective To understand the epidemic situation and epidemic situation of provincial schistosomiasis surveillance spots in Haining City. Methods According to “Surveillance program of schistosomiasis surveillance sites in Zhejiang Province” from 2012 to 2014, the surveillance of spirits, permanent residents and floating population at the provincial monitoring site of Haimin Sub-district, Haining City was monitored. Results A total of 600 permanent residents were surveyed at the monitoring points from 2012 to 2014. The positive rate of blood tests was 3.17% (19/600) and the negative rates of stool tests were 3.50% (5/200) and 0 (0/200) and7.00% (14/200) respectively. The positive rate of blood tests in 2014 was significantly higher than that in 2013 (χ ~ 2 = 14.508, P <0.01). A total of 1 591 floating population were monitored during the past three years. The positive rate of blood test was 0.94% (15/1 591). The positive rate of active test and passive test was 0.92% (14/1 521) And 1.43% (1/70), respectively. There was no significant difference between them (χ ~ 2 = 1.659, P> 0.05). The positive rates of blood tests were 1.50% (8/534) and 0.56% 0.76% (4/526), ​​the difference was not statistically significant (χ ~ 2 = 2.752, P> 0.05). Spirometry monitoring showed no positive snail environment and snail input. Conclusion There is a source of infection of schistosomiasis in Haining City, so we should guard against the possibility of local epidemic. In the future still need to strengthen the snail surveillance and monitoring of the movement of migrants.
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