眉山市东坡区基本消除丝虫病后巩固与净化措施远期效果

Long-Term Effect of Consolidatory and Purificatory Measures After Filariasis Basically Eliminated in Dongbo District,Meishan County

目的了解基本消除丝虫病后实施巩固与净化措施的远期效果。方法采取查治残存传染源和全民普服3%乙胺嗪药盐及灭蚊等巩固与净化措施,开展丝虫病的重点人群和横向监测及慢性丝虫病调查。结果1983-1988年重点人群监测6217人,检出微丝蚴血症者7例,其中复阳3例,新检出4例。采取巩固与净化措施后,1989-1994年横向人群监测10076人,未检出微丝蚴。1995年达到消除丝虫病标准后,横向监测3680人,未检出微丝蚴。原慢性丝虫病患者由基本消除丝虫病前的49例,减少至目前的6例,无新发慢性丝虫病发生。结论东坡区消除丝虫病后监测,未发现内源性传染源,证明实施巩固和净化措施后远期效果显著。

Objective To understand the long-term fiariasis control effect of consolidatory and purificatory measures after the disease being basically eliminated.Method Detection and treatment of residual source of infection,mass administation of 3% diethyl carbamazine medicated salt and mosquito control measures were taken.Besides,transverse surveillance on filariasis among key population and investigation on chronic filariasis cases were carried out.Result From 1983 to 1988,6 217 key persons were surveillanced,and 7 microfilariemia positive cases （3 original posilive cases and 4 newly detected cases）were detected.From 1989 to 1994,after consolidatory and purificatory measures were carried out,transverse surveillance was made among 10 076 persons but no microfilariemia positive case was detected.In 1995,after filariasis control program achieved elimination criteria,transwerse surveillance was made among 3 680 persons and no positive microfilariemia case was found.The chronic filariasis cases from 49 cases before filariasis elimination dropped to 6 cases and no new chronic filariasis case was found until now.Conclusion After filariasis being eliminated in Dongbo District,no endogenous source of infection was found,The consolidatory and purificatory control measures revealed significant long-term control effect.