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班氏丝虫病是我国广泛流行的寄生虫病之一,广东的主要传播媒介是致乏库蚊(Culex fatigans)。Manabu Sasa(1976)指出,微丝蚴率和微丝蚴密度降低到一定水平后,则可能不致蚊媒感染。这个微丝蚴水平可为控制班氏丝虫病传播流行的阈值,也是基本消灭班氏丝虫病的技术指标。为了探索这个指标,1978～1980年,我们在粤北地区于当地致乏库蚊密度高峰季节(5～7月)进行了现场观察。
Bancroftian filariasis is one of the most widespread parasitic diseases in our country. The main vector in Guangdong is Culex fatigans. Manabu Sasa (1976) pointed out that after microfilariae and microfilaria densities have been reduced to a certain level, there may be no mosquito-borne infection. This microfilariae level can be used to control the prevalence of Bancroftian filariasis transmission threshold, but also the basic elimination of Bancroftian filariasis technical indicators. In order to explore this indicator, from 1978 to 1980, we conducted field observations in the northern part of Guangdong Province during the season of peak density of Culex pipiens pallens from May to July.