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1997年4月.本市高科技开发区某村小学一年级学生(7岁年龄组)进行麻疹疫苗加强接种后,偶合水痘暴发.调查结果如下:1 疫苗接种情况1.1 麻疹疫苗为卫生部上海生物制品研究所产品
April 1997. In the first year of primary school in a high-tech development zone in this Municipality, a chickenpox outbreak was observed after the first vaccination against measles. The survey results are as follows: 1. Vaccination 1.1 Measles Vaccine was obtained from the Shanghai Ministry of Health Products Institute products