患者男性,46岁,因发热40 d间断腹痛15 d入院。患者于40 d前无明显诱因出现发热,伴有畏寒,体温为38℃左右,以下午及夜间发热为主,无鼻塞、流涕、咽喉部不适、咳嗽、咳痰,体温可自行降至正常。第2天可再次出现发热。到当地医院诊治,给予抗感染、抗病毒治疗后症状无缓解。逐渐出现 Male patient, 46 years old, died of intermittent abdominal pain for 40 days after admission for 15 days. No obvious predisposition of patients 40 days before the emergence of fever, accompanied by chills, body temperature is about 38 ℃, mainly in the afternoon and night fever, no stuffy nose, runny nose, throat discomfort, cough, sputum, body temperature can be reduced to normal. Day 2 fever again. To the local hospital for treatment, given anti-infection, anti-virus treatment without symptoms. Appear gradually