病例摘要患儿，男，28天，G2P1，足月顺产于家中。生后混合喂养。4天前无诱因发热，体温波动干37.2℃～39．3℃，伴呼吸促，喷嚏、咳嗽，吃奶差。外院诊断“上感”，口服“羚羊角”无效来院。病前有“上感”接触史，父母健康，否认遗传及肝炎、结核等传染病史，其母曾人工流产1 Case Summary Children, male, 28 days, G2P1, were delivered at full term at home. Mixed feeding after birth. 4 days ago, no incentive fever, body temperature fluctuations of 37.2 ℃ ~ 39.3 ℃, with breathing, sneezing, cough, poor feeding. Outside the hospital diagnosis “sense”, oral “antelope horn” invalid to the hospital. Premorbid “sense” exposure to history, parental health, denied the genetic and hepatitis, tuberculosis and other infectious diseases, the mother had abortion 1