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目的了解班氏丝虫病阻断传播后慢性丝虫病患病情况,为后期开展慢性丝虫病防治工作提供科学依据。方法根据全省班氏丝虫病高、中、低流行状况,采用分层整群抽样的方法,在丝虫病流行区,选择有代表性的流行县(市、区),对1周岁以上居民进行调查,对查出的慢性丝虫病患者进行系统查体确诊,对调查资料进行统计、整理、分析。结果防治前(1957年)在济宁等6个流行县(市)内调查38 596例,查出慢性丝虫病患者4 424例,平均患病率为11.46%,班氏丝虫病阻断传播初期,在上述6个县(市、区)调查756 895人,查出慢性丝虫病患者2 346例,患病率为0.31%。结论班氏丝虫病阻断传播后,慢性丝虫病患病率已降至极低水平。
OBJECTIVE To understand the prevalence of chronic filariasis after Bancroftian filariasis has been blocked and to provide a scientific basis for future prevention and control of chronic filariasis. Methods According to the prevalence of Bancroftian filariasis in the province, stratified cluster sampling method was used to select representative epidemic counties (cities and districts) in endemic areas of filariasis, Residents to carry out surveys, the diagnosis of chronic filariasis found in patients with physical examination, the survey data statistics, collation and analysis. Results Before the control (1957), 38 596 cases were investigated in 6 endemic counties (cities) such as Jining. 4 424 chronic filariasis cases were found, with an average prevalence rate of 11.46%. Bancroftian filariasis was stopped and spread Initially, 756,895 people were surveyed in the above six counties (cities and districts), and 2 346 chronic filariasis cases were found, with a prevalence of 0.31%. CONCLUSIONS: After the transmission of Bancroftian filariasis has been stopped, the prevalence of chronic filariasis has dropped to extremely low levels.