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1982年在浙江省临海市马来丝虫病流行区人群微丝蚴阳性率降至0.5%以下后,我们观察了7例低密度微丝蚴血症不经治疗转阴情况,结果如下表:
In 1982, the prevalence of microfilariae in the endemic areas of Malayan filariasis in Linhai City, Zhejiang Province dropped to below 0.5%. We observed seven cases of low-density microfilaremia without negative conversion. The results are as follows: