患儿,男,11岁。在1998年4月14日麻疹减毒活疫苗(Measles Attenuated LiveVacaine,MV)强化免疫时,于左上臂三角肌附着处皮下接种了MV(北京生物制品研究所生产,批号97112-6,失效期1999-06-16)0.2ml。接种后第2d全身发痒,第3d面部及前臂开始出现红斑疹,随后到医院就诊,诊断为过敏 Children, male, 11 years old. In the measles Attenuated LiveVacaine (MV) booster immunization on April 14, 1998, the MV was subcutaneously administered to the attachment of the deltoid muscle of the left upper arm (Beijing Institute of Biological Products, lot number 97112-6, expiration date 1999 -06-16) 0.2 ml. 2d after inoculation systemic itching, the first 3d facial and forearm began to appear erythema, and then to the hospital for treatment, the diagnosis of allergies