自1954年我省开始了疟疾流行病学的调查工作,证明在我省各地区,只有间日疟发生流行。至今尚未发现恶性疟,更没有同时感染两种疟原虫的混合感染。在一般情况下,疟疾在各地经常散在发生,平时居民调查:全年发病率很低,仅只1.5％,原虫率和脾肿率均为0.4％(1957)。我省南部滨湖低洼地区,病人较 Since 1954, the province started the malaria epidemiological investigation, proving that in all regions of our province, only the malaria epidemic has occurred. So far no falciparum malaria has been found, nor even a mixed infection of the two types of malaria parasites. In general, malaria often occurs frequently throughout the country. In normal times, residents surveyed showed that the annual incidence rate was very low at only 1.5%. The protozoal and sporozoite rates were both 0.4% (1957). In the southern part of our province, there are more patients in the low-lying lake and lake area