20 0 3年 3月 5日～ 6月 1 6日 ,上海市浦东新区某实验学校小学部发生一起流行性腮腺炎爆发 ,共有 6 7人发病 ,罹患率 6 2 2 %,涉及 1 1个班级。围绕此次疫情 ,我们开展了流行病学配对调查。1　流行概况　该校共 9个年级 5 8个班级 ,其中小学部 2 6个班级 ,有 1 0 77名学生 ; From March 5 to June 6, 2003, an outbreak of mumps was reported in the elementary school of an experimental school in Pudong New Area, Shanghai. A total of 67 people were affected, with an attack rate of 62.2%, involving 11 classes . Around the outbreak, we conducted an epidemiological paired survey. 1 popular profile The school a total of 9 grade 5 8 classes, of which 26 primary and secondary classes, there are 1 077 students;