近年来,江苏发现有变异的间日疟原虫(据张奎等1977、1979年报道),主要特征为间日疟原虫滋养体期具有多核、同期和不同期的重复感染,部分疟原虫游离于红细胞外,受染的红细胞胀大变形等。据此,1980年10月起,我们复查了历年保持的广西间日疟原虫薄血膜制片标本。在查片镜检中也发现了这种变异的间 In recent years, Jiangsu Province has found a variation of Plasmodium vivax (reported by Zhang et al. In 1977 and 1979). The main feature is that the Plasmodium vivax trophozoites have multiple, simultaneous and different stages of repeated infections. Some plasmodia are free Erythrocytes, infected red blood cells swell deformation. Accordingly, from October 1980 onwards, we reviewed the blood film preparations of Plasmodium vivax in Guangxi over the years. In the inspection microscopy also found this variation between