夏季分装时，面部异常感觉与头昏、乏力、恶心等全身症状及皮肤出现红色粟粒样丘疹者较冬季时为多。
General symptoms such as abnormal facial sensation, dizziness and fatigue, as well as miliary red papules on the skin were more obvious in summer than in winter.
结果光镜下可见大片出血病灶和点状出血，部分小动脉玻璃样变性及粟粒型动脉瘤；
Results Light microscope showed that the walls of arterioles had the changes of hyaline degeneration, with large hemorrhage region, spots of hemorrhage and microaneurysm.
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