1　临床资料　男性 75例 ,女性 43例。年龄 45 2岁 ,平均2 6 3岁。自发病至入院时间 37天 ,平均 4 1天。病人均发热 ,以驰张热为主。相对缓脉占 41 5 % ,无欲貌 31 4% ,肝脾肿大分别占 11 3%和 17% ,未见伤寒玫瑰疹。全部病人以临床表现和血培养阳性为确诊依据。2　实验室检查 1 clinical data of 75 males and 43 females. Age 45 2 years old, average 263 years old. From onset to admission 37 days, an average of 41 days. Patients are fever, Chi Zhang heat-based. Relatively slow pulse accounted for 41 5%, no desire to look at 31 4%, hepatosplenomegaly accounted for 11 3% and 17%, no rose cold rash. All patients with clinical manifestations and blood culture positive diagnosis as the basis. 2 laboratory tests