患者,男,26岁。船员,巴基斯坦国籍。因高热、寒战6天,于1998年5月18日收入我院。患者于6日前随船在印尼逗留期间始感觉全身倦怠,继之发热,体温持续在39～40℃,同时伴有寒战、头痛、双眼眶痛及腹部肌肉疼痛。发病后食欲不振,但无恶心、呕吐,大小便正常。患者曾自服退烧药物(不详)。否认有传染病病史和家族相关病史。查体:体温37.7℃,脉搏93次/ Patient, male, 26 years old. Crew, Pakistani nationality. Due to high fever, chills 6 days, on May 18, 1998 income in our hospital. Patients began to feel tired during their stay in Indonesia on the 6th, followed by fever, body temperature continued at 39 ~ 40 ℃, accompanied by chills, headache, orbital pain and abdominal muscle pain. After the onset of loss of appetite, but no nausea, vomiting, normal urine. Patients have self-serving anti-fever drugs (unknown). Denied a history of infectious diseases and family history. Physical examination: body temperature 37.7 ℃, pulse 93 times /