根据某年不典型疟疾病例中,上一年有疟史者占77.78%,而典型病例有疟史者仅占44.03%,两者有非常显著差异(P<0.01)。因此在诊断不典型疟疾时询问既往疟史有一定的参考价值。不典型疟疾,一般起病较为缓慢,症状较轻,定期发热不明显。但经详细询问病史,认真观察病情,结合发病季节,综合分析,仍可察觉多数患者有不明原因的头痛和头昏等症状,有以下午发病和 According to a year of atypical malaria cases, the incidence of malaria in the previous year accounted for 77.78%, while the typical case of malaria accounted for only 44.03%, both of which were significantly different (P <0.01). Therefore, in the diagnosis of atypical malaria ask history of malaria has some reference value. Atypical malaria, the general onset is more slow, mild symptoms, regular fever is not obvious. However, after detailed medical history, careful observation of the disease, combined with the onset of the season, a comprehensive analysis, most patients can still be aware of unexplained headaches and dizziness and other symptoms, with afternoon onset and