1999年3月17日至4月13日,山东省阳谷县阳谷镇城角孟小学发生了一起麻疹暴发。现将调查结果报告如下。1　材料和方法11　对象及方法　对象为临床诊断的麻疹病例及城角孟小学1～5年级全体学生。由防疫人员组成调查组,逐人进行询问填写个案调查表。根据接触史、临床表现、麻疹疫苗 From March 17 to April 13, 1999, an outbreak of measles was reported in Mengjiao Primary School, Chenggu, Yanggu Town, Yanggu County, Shandong Province. The survey results are reported below. 1 Materials and Methods 11 Subjects and Methods Subjects for the clinical diagnosis of measles cases and Anguilla Meng Primary 1 to 5 grade all students. The investigation team composed of epidemic prevention staff, one by one to fill in the case questionnaire. According to exposure history, clinical manifestations, measles vaccine