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目的了解基本消除丝虫病后实施不同巩固防治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0.3%乙胺嗪药盐的巩固与净化措施,开展丝虫病的重点人群和横向、纵向监测及慢性丝虫病调查。结果夹江县于基本消除丝虫病后次年监测原微丝蚴血症者349人,检出复阳9例;筠连和夹江县于基本消除丝虫病后前3年,横向监测各检出残存微丝蚴血症者2人和15人,其中新检出1人和12人;洪雅县未检出微丝蚴血症者。3个县均无新发慢性丝虫病发生。结论筠连和夹江县基本消除丝虫病后的初期,丝虫病传播继续存在,经采用巩固防治与净化措施和重点人群为主的监测措施后,未检出微丝蚴。通过消除丝虫病后监测,未发现内源性传染源,表明实施不同巩固和净化措施后的远期效果显著。
Objective To understand the long-term effects of different measures to consolidate control and purification after the basic elimination of filariasis. Methods Consolidating and purifying measures of residual source of infection and 0.3% diethylcarbamazepine were adopted in the general public, and the key population of filariasis and surveillance of longitudinal and longitudinal chronic filariasis were investigated. Results In Jiajiang County, 349 people were diagnosed with microfilaremia in the following year after basic elimination of filariasis, 9 cases were detected in Fuyang County. In the first 3 years after Junlian and Jiajiang County basically eliminated filariasis, lateral monitoring The detection of residual microfilaremia who 2 and 15, of which 1 were newly detected and 12; Hongya County did not detect microfilaremia who. No new chronic filariasis occurred in all 3 counties. Conclusion The initial transmission of filariasis continued after the basic elimination of filariasis in Junlian and Jiajiang County. Microfilaria was not detected after monitoring measures were adopted to consolidate the control and purification measures and the key population. No evidence of endogenous sources of infection was found by monitoring after the elimination of filariasis, demonstrating a significant long-term effect after various consolidation and decontamination measures were implemented.