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目的了解福建省传播阻断血吸虫病25年来的疫情动态,为巩固成果提供依据。方法对全省1987—2012年达到传播阻断标准以来的数据和现场调查结果进行分析。结果全省共9个县(市)发现过钉螺,其中福清、霞浦、长乐、龙海和漳浦5个县(市)持续有螺时间较长,其余4个县仅间歇发现钉螺;有螺面积:1987—1996年为124 592m2,2003—2012年为710 086m2。螺点分布环境以灌溉沟、山坑草埔、渠道和抛荒地为主。灭螺后2012年有螺面积已压缩至19 765m2。1987年以来血清学监测104 150人,其中从疫区来的流动人口9 980人,阳性率11.4%;粪便检出虫卵、毛蚴者40人,尿液检查出曼氏血吸虫卵1人,均为从疫区输入病例;检查阑尾11 438条,均未检出活卵;共粪检耕牛34 943头,未发现感染。结论福建省残存钉螺始终存在,外来传染源时有输入,血吸虫病仍存在死灰复燃危险。
Objective To understand the epidemic situation of schistosomiasis in the past 25 years in Fujian Province and provide basis for consolidating the results. Methods The data and field survey results of the province after reaching the transmission blockage standard from 1987 to 2012 were analyzed. Results Snail snails were found in 9 counties (cities) of the province, of which 5 snails were found in Fuqing, Xiapu, Changle, Longhai and Zhangpu provinces for a long time and snail snails were intermittently found in the remaining 4 counties. Area: 124,592 m2 in 1987-1996 and 710,086 m2 in 2003-2012. Spiral distribution of the environment to irrigation ditch, pit pit Cao, channels and abandonland-based. In 2012, the area of snail has been compressed to 19,765 m2. Since 1987, there were 104,150 people from all walks of life, of which 9,980 were floating population from the epidemic area, with a positive rate of 11.4%. Feces were detected in feces and 40 People and urine were found out of Schistosoma mansoni eggs 1 were imported from the epidemic cases; check the appendix 11 438, were not detected live eggs; total manure seized 34 943 cattle, no infection was found. Conclusion The surviving Snail in Fujian Province always exists, and the source of external infection is always input. There is still a risk of resurgence of schistosomiasis.