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山东省苍山县原为班氏丝虫病流行区。经反复查治1975年达基本消灭标准。1984年起进行了基本消灭后的监测。先后共血检58 846人次。除保留微丝蚴阳性者观察外.微丝蚴阳性率呈逐年下降趋势。至1988年降为0。查出的3例微丝蚴阳性者有2例分别于1986和1987年自然转阴。捕剖淡色库蚊90 939只,蚊媒自然
Cangshan County, Shandong Province, the original Bancroftian filariasis endemic areas. After repeated investigation and treatment in 1975 up to the basic elimination of standards. Since 1984, monitoring has basically taken place. Has a total of 58 846 blood tests. In addition to the presence of microfilaria positive were observed, the positive rate of microfilariae showed a downward trend year by year. To 0 in 1988. Three cases of microfilariae positive were found in 2 cases of natural negative in 1986 and 1987 respectively. Catch of Culex pipiens pallens 90 939, natural mosquito vector