班氏丝虫病流行范围甚广,遍布于世界各地,尤以亚洲及非洲为重,对班氏丝虫病的防制,目前多数采用治疗病源的措施。但按现行防治办法,彻底肃清寄生于人体的班氏丝虫尚有一定困难。根据班氏丝虫病流行病学的特点,如果人群微丝蚴阳性率及宿主血中微丝蚴密度下降到一定水平,媒介不再获得感染,则可阻断传播流行。为探索对班氏丝虫病防治到何种程 Bancroftian filariasis epidemic wide range, all over the world, especially in Asia and Africa, the control of Bancroftian filariasis, the current majority of the treatment of the source of the measures. However, according to the current prevention and treatment measures, there is still some difficulty in completely eliminating Bancroftian filarial parasites in the human body. According to the epidemiological characteristics of Bancroftian filariasis, if the positive rate of microfilaria in the population and the density of microfilariae in the host blood drop to a certain level, the vector will no longer be infected and the spread of the epidemic may be blocked. To explore the Bancroftian filariasis control what course