广西壮族自治区灵山县自1960年以后就未发现自然感染三日疟者,而在1982～1985年,该县因消化道出血5例、胃切除3例、剖腹产4例及宫外孕、颅脑外伤、甲状腺摘除术子宫肌瘤和钩端螺旋体病各1例住院接受输血而感染三日疟。患者男8例,女9例。年龄23～61岁。其中农民7例,职工和居民10例。患者住院前均无发疟史。患者在发病前15～50d均接受输血。其症状为寒战发热,持续3h In Lingshan County of Guangxi Zhuang Autonomous Region, natural infection of malaria was not found after 1960, while in the period from 1982 to 1985, there were 5 cases of gastrointestinal bleeding, 3 cases of gastrectomy, 4 cases of caesarean section and 4 cases of ectopic pregnancy, craniocerebral trauma, Thyroidectomy uterine fibroids and leptospirosis in 1 case were hospitalized to receive blood transfusion and malaria on the 3rd. There were 8 males and 9 females. Age 23 ~ 61 years old. Among them, there are 7 peasants, 10 workers and residents. The patients had no history of malaria before hospitalization. Patients received blood transfusion 15 to 50 days before onset. Symptoms of chills and fever, sustained 3h