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郯城县某小学一至五年级学生接种流行性乙脑炎地鼠肾细胞灭活疫苗(以下简称乙脑疫苗)后,120人出现异常反应,异常反应率高达52. 6%,颇为罕见。现报告如下:
6th grade is quite rare in 120 people after abnormal vaccination of epidemic encephalitis B hamster kidney cell vaccine (hereinafter referred to as JE vaccine) in grade 1 to grade 5 primary school students in Yuncheng County. The report is as follows: