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湖南省基本消灭丝虫病后１９８７～１９９１年横向监测４６个县（市）的４０８个村，血检２８７８６４人，查出微丝蚴血症者４人，平均微丝蚴率为０．００１％，各年微丝蚴率依次为０．００４％、０．００３％、０、０．００２％和０．００１％。解剖致倦库蚊２６８５２只，仅１９８８年发现阳性蚊１３只；解剖中华按蚊５７７１只，未发现幼丝虫。血清学监测流行区人群平均抗体阳性率为３．７６％，与非流行区抗体水平相近。４个纵向监测点的观察结果表明，低密度微丝蚴血症者能自然转阴。６个县（市）的晚期丝虫病患病率调查结果显示，基本消灭丝虫病后不再出现新的象皮肿病人，鞘膜积液的新发病例显著减少，但仍继续出现新的乳糜尿病人。
After the basic elimination of filariasis in Hunan Province from 1987 to 1991, 46 villages (468 counties) of 46 counties (municipalities) were horizontally monitored. 287864 people were examined by blood test. Four patients with microfilaremia were found. The average microfilaria rate was 0.001 % Respectively. The rates of microfilariae in each year were 0.004%, 0.003%, 0,0.002% and 0.001%, respectively. Anatomy of Culex pipiens quinquefasciatus 26852, only in 1988 found positive mosquito 13; dissected 5771 Anopheles sinensis, did not find young filariasis. The average antibody positive rate of seropositive surveillance population was 3.76%, which was similar to that of non-endemic antibody. The observation of 4 longitudinal monitoring points showed that those with low-density microfilaremia naturally turned negative. The prevalence survey of late filariasis in 6 counties (cities) showed that new cases of edema disappeared after the basic elimination of filariasis. The incidence of new cases of hydrocele was significantly reduced but new ones continued to emerge Chyluria patients.