80年代中期以来,我国疟疾流行呈下降趋势,但也有部分地区流行因素仍未得到控制,发病率仍较高,疫情时有波动。1981年全国疟疾发病人数为305.9万人,1985年减少到56.3万人,1986年为36.4万人,1987年为21.1万人,1988年为13.4万人。截止到1988年,全国有2541个县(市、区),9.507亿人口的地区疟疾发病率在1/万以下(包括无疟区);有207个县、0.966亿人口的地区发病率控制在1/万～10/万;有79个县、0.304亿人口的地区发病率控制在10.1/万～100/万之间;有4个县,0.004亿人 Since the mid-1980s, the epidemic of malaria in our country has been on the decline. However, epidemic factors in some areas have still not been controlled and the incidence rate is still high with fluctuations in the epidemic. In 1981, the number of malaria cases in the country was 3.059 million, down to 563,000 in 1985, 364,000 in 1986, 211,000 in 1987 and 134,000 in 1988. As of 1988, the incidence of malaria in 2541 counties (cities and districts) and 950.7 million population in the country was less than 1/10 000 (including no malaria endemic areas); in 207 counties, the incidence of malaria in areas with a population of 966 million was controlled at 1/10 ~ 10/10000; 79 districts, 30.4 million population of the regional incidence control in the 10 1/100 ~ 100/10000; 4 counties, 0.004 million people