疑似预防接种异常反应(简称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。由疫苗使用的增加而导致的疫苗反应和偶合症给预防接种工作带来的困难已引起各方面的重视。开展AEFI的监测是评价疫苗质量、保障预防接种安全性、提高免疫服务水平的措施之一。为了解无锡市崇安区AEFI发生情况,评价AEFI报告系统的运行情况,我们对本区2008—2010年AEFI监测报告数据进行了统计分析,报告如下。 Suspected Vaccination Abnormalities (AEFIs) refer to reactions or incidents that occur after vaccination and are suspected of being associated with vaccination. The challenges posed by vaccination and coupling caused by the increased use of vaccines have drawn much attention. Carrying out AEFI monitoring is one of the measures to evaluate the quality of vaccines, ensure the safety of vaccination and improve the service level of immunization. To understand the occurrence of AEFI in Chong’an District of Wuxi and evaluate the operation of AEFI reporting system, we conducted a statistical analysis on the AEFI monitoring data from 2008 to 2010 in our district and the report is as follows.