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疑似预防接种异常反应(adverse event following immunization,AEFI)是指在预防接种后发生的怀疑与预防接种有关的反应或事件[1]。近年来,公众对健康风险的防范意识明显提高,接种疫苗作为预防和控制针对传染病的有效手段逐渐得到公众的认同和接受,而对疫苗安全性和预防接种引起的AEFI更加关注,其关注程度远超过预防接种对传染病预防作用。AEFI监测可以核实AEFI发生情况和原因,
Adverse event following immunization (AEFI) refers to reactions or events suspected to be associated with vaccination occurring after vaccination [1]. In recent years, public awareness of prevention of health risks has risen significantly. Vaccination has gradually gained public acceptance and acceptance as an effective means of prevention and control of infectious diseases. However, vaccination and vaccination-induced AEFI are more concerned with their level of attention Far more than the preventive effect of vaccination on infectious diseases. AEFI monitoring can verify the occurrence and cause of AEFI,