疟疾 ,依靠蚊子传播的一种传染性疾病 ,长期困扰着人类。它是一种传播快、易复发的疾病。我国６０年代初及７０年代初都曾发生过大范围的流行。从１９９６年和１９９７年全国疟疾形势分析［１ ,２］中可以看出 ,疟疾发病人数虽然在逐年减少 ,但是 ,控制效果并不令人乐观。我国? Malaria, a contagious disease that relies on mosquitoes, has long plagued humans. It is a fast spread, easy to relapse disease. In the early 1960s and early 1970s, a large-scale epidemic took place in our country. As can be seen from the national malaria situation analysis in 1996 and 1997 [1,2], the incidence of malaria is decreasing year by year, but the control effect is not encouraging. My country?