云南省1981～1985年疟疾暴发性流行原因分析

近年来云南省疟疾发病逐年下降，然而每年仍有小范围的疟疾局灶性暴发。暴发性流行的村寨平均发病率为15．22－70．82％，原虫率为6．36％－34．69％，恶性疟原虫34．55％－63．63％。引起暴发的主要原因是当前地有残存的疟疾传染源，同时媒介按蚊密度较高。防治对策采用消灭传疟媒介和消灭传染源并重的综合措施，收到了较为满意的效果。

Analysis of Causes of Malaria Outbreaks in Yunnan Province, 1981-1985

The incidence of malaria in Yunnan province has decreased year by year in recent years. However, focal outbreaks in small scale still occurred every year. The average morbidity in villages with outbreaks was 15.22-70.82%, and the plasmodium positive rate 6.36-34.69%, in which the percentage of Plasmodium falciparum 34.55-63.63%. The main cause of outbreaks was the existence of residual source of malaria infection and the concomitance of high density of Anopheles. Eradication of the vector and eradication of the course of infection were taken as the composite preventive and control measures which gave a satisfactory effect.