预防接种的效果与疫苗的质量及保管有很大关系。生物制品出厂时是经过严格检验的,但若使用单位保管不当,就会直接影响预防接种的效果。例如,个别地区虽然按种了麻疹疫苗,但事后接种组仍有麻疹流行,据调查是疫苗失效而引起的。下面从生物制品的性质、领取手续、保管及对过期疫苗的处理,谈谈个人的初浅体会。一、生物制品的性质生物制品是用微生物及其代谢产物制成,其化学 The effectiveness of vaccination and vaccine quality and custody have a great relationship. Biological products are strictly tested at the factory, but if used improperly stored, it will directly affect the vaccination effect. For example, despite measles vaccine in some areas, the measles epidemic in the post-vaccination group is still caused by the failure of the vaccine. The following from the nature of biological products, collection procedures, storage and treatment of expired vaccine, to talk about personal firsthand experience. First, the nature of biological products Biological products are made with microorganisms and their metabolites, the chemical