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预防接种副反应(AEFI)是指预防接种后发生的、被认为由预防接种引起的任何医学事件。随着全球及我国疫苗生产工业及免疫规划项目的发展,疫苗的使用量及使用种类不断增加,在预防传染病的同时,由于疫苗或预防接种引起的副反应也日益受到社会各界的关注。世界卫生组织(WHO)及各国都在加强与开展疫苗安全性监测系统方面做了很多有益的工作,对监测系统的数据进行科学分析有助于帮助公众理解预防接种副反应,规范预防接种的操作过程,减少因预防接种副反应造成对免疫规划项目的负面影响。
Vaccination (AEFI) refers to any medical event that occurs after immunization and is considered to be caused by vaccination. With the development of vaccine manufacturing industry and immunization programs around the world and in China, the amount of vaccines used and the types of vaccines used are constantly increasing. In the prevention of infectious diseases, side effects caused by vaccines or vaccination are also increasingly drawing attention from the community. WHO and all countries have done a lot of useful work in strengthening and implementing the vaccine safety monitoring system. Scientific analysis of the data of the monitoring system can help the public understand the side effects of vaccination and standardize the vaccination operation Process to reduce the adverse effects on immunization programs caused by the side effects of vaccination.