近年来临床上发现肥达氏反应用以诊断伤寒并非殊异,最近我院遇一例三次肥达氏反应均为阴性的伤寒病例,报告如下:患者男,39岁,因畏寒发热6天,白细胞3800/m m~3,中性74%,淋巴26%,肥达氏反应(一),疑病毒 In recent years, clinically found that the Widal response to the diagnosis of typhoid fever is not unusual, recently in our hospital case of a case of three cases of Dulcher’s reaction were negative typhoid cases, the report is as follows: The patient male, 39 years old, chills and fever for 6 days, white blood cells 3800 / mm ~ 3, 74% neutral, lymphatic 26%, Widal reaction (a), suspected virus