元江、新平属云南省内地疟疾高发县,是玉溪市的主要疟疾流行区,海拨为32 8～3137m ,年平均气温2 3 9℃,年平均降水量115 9 3mm ,自然因素极有利于疟疾的流行。1994年主要传疟媒介数量多、分布广泛[1] ,疟疾发病率较高。为控制疟疾发病率,1998年开始实施大面积辛硫磷室内滞溜喷 Yuanjiang and Xinping belong to the high incidence of malaria in the inland areas of Yunnan Province. They are the major malaria endemic areas in Yuxi City with a seaport of 32 8 ~ 3137m and an annual average temperature of 299 ℃ with an average annual precipitation of 115 9 3mm. Natural factors are highly beneficial to malaria Popular. In 1994, there were a large number of major malaria vectors and widespread distribution [1], with a higher incidence of malaria. To control the incidence of malaria, large-scale phoxim indomethacin injection started in 1998