Methods: We examined and observed 52 patients with typhoid and 20 normal controls by bacterial culture, Widal reaction, and enzyme-linked immunoassay for detection of typhoid bacilli H antigen.

• 方法该文采用细菌培养、肥达反应、伤寒杆菌H抗原酶联免疫检测检查52例伤寒患者,20例正常人,进行对照观察。