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近年来我省局部地区发生白喉流行,少年儿童和成年人患病较多,其中8～15岁年龄组所占比例较大。据有关资料介绍,对少年儿童用小剂量吸附精制白喉类毒素(简称吸精白
Diphtheria prevalence in some areas in recent years in our province, juvenile and adult more, of which 8 to 15 age group accounted for a large proportion. According to the relevant information, children and adolescents with low-dose adsorption of diphtheria toxoid (referred to as white extract