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乐山市中区裕农、台子、石头3个村，是四川省以媒介能量高得多的嗜人按蚊为主要传播媒介的马来丝虫病高度流行区，50年代后期至80年代初断续开展了防治。我们于1984—1989年在终止防治措施的条件下，对这3个村丝虫病防治后期的流行趋势进行了观察，发现在终止防治措施的情况下?
The three villages of Yuenong, Taizi and Shitou in Central District of Leshan City are the highly endemic areas of Malayan filariasis in Sichuan Province, with the predominantly vector-transmitted Anopheles mosquitoes as the major vector in Sichuan Province. From the late 1950s to the early 1980s, Continued to carry out prevention and treatment. We observed the epidemiological trends of the latter period of filariasis control in 1984-1989 with the termination of control measures and found that in the case of termination of control measures?