斑疹伤寒是一种急性传染病,分为典型的流行性斑疹伤寒和地方性鼠型伤寒2种。由于近几年发病率明显降低,部分医务工作者对此病缺乏足够认识,失去警惕,易造成临床漏诊或误诊。现将所遇4例报告如下。例1·男性,9月龄,因发热6~7 d入院。体温39℃,伴寒战。青霉素治疗无效。入院前1 d Typhus is an acute infectious disease, divided into two typical typhus and endemic typhus. As the morbidity is obviously reduced in recent years, some medical workers lack enough understanding of the disease and lose vigilance, which may easily result in clinical missed diagnosis or misdiagnosis. Now encounter 4 cases reported as follows. Example 1 · Male, 9 months old, admitted to hospital due to fever 6 ~ 7 days. Body temperature 39 ℃, with chills. Penicillin treatment is invalid. 1 d before admission