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目的分析2012年延边朝鲜族自治州(简称延边州)疑似预防接种异常反应(AEFI)发生特征,评价延边州AEFI监测系统运转状况。方法通过疑似预防接种异常反应监测信息管理系统收集2012年延边州报告的AEFI个案数据,采用Excel软件进行统计分析,以描述性方法进行流行病学分析。结果 2012年延边州共报告AEFI 155例,男性多于女性,性别比为1.67∶1;一般反应140例,占90.32%;异常反应14例,占9.03%;6、7月份为发病高峰期;<1岁组报告最多为62例,占40.00%;百白破疫苗AEFI报告最多为67例,占43.23%;接种后1 d内发生AEFI 119例,占76.77%;48 h内报告率为96.77%;48 h内调查率为100.00%。结论疑似预防接种异常反应监测信息管理系统运行良好,2012年灵敏性较2011年明显上升;乡镇覆盖率有待提高。
Objective To analyze the characteristics of suspected AEFI in Yanbian Korean Autonomous Prefecture (Yanbian Prefecture) in 2012 and evaluate the operation status of AEFI monitoring system in Yanbian Autonomous Prefecture. Methods AEFI case data collected by Yanbian Autonomous Prefecture in 2012 was collected through the information system of suspected antivirus reaction monitoring information, and statistical analysis was conducted by using Excel software. Epidemiological analysis was conducted by descriptive method. Results A total of 155 AEFI cases were reported in Yanbian in 2012, with a male to female ratio of 1.67: 1. The general reaction rate was 140.32% (90.32%), abnormal reaction was 14.3% (9.3%), and the peak was in June and July <1 year group reported up to 62 cases, accounting for 40.00%; diphtheria vaccine AEFI report up to 67 cases, accounting for 43.23%; 119 cases of AEFI occurred within 1 d after vaccination, accounting for 76.77%; within 48 h the reporting rate was 96.77 %; Within 48 h the investigation rate was 100.00%. Conclusion The suspected vaccination anomaly monitoring information management system is in good condition. The sensitivity in 2012 was significantly higher than that in 2011; the coverage of townships and townships needs to be improved.