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目的分析2012-2015年巴彦淖尔市疑似预防接种异常反应(adverse events following immunization,AEFI)的发生特征,评价监测系统运行情况。方法以国家AEFI监测系统监测指标为依据,收集全市2012-2015年AEFI个案监测数据,采用描述性流行病学方法对相关指标进行流行病学分析。结果 2012-2015年巴彦淖尔市共报告AEFI病例538例,主要集中在4~9月;发病以一般不良反应为主,临床表现为发热、红肿、硬结,占95.91%;1岁及以下病例占71.75%;男女性别比为1.29∶1;AEFI疫苗分布以无细胞百白破引起的AEFI构成比例最高,占42.01%。结论巴彦淖尔市AEFI监测系统运转良好,无异常接种反应发生,预防接种疫苗安全性和服务质量可靠,需进一步提高AEFI监测质量和AEFI病例搜索的主动性。
Objective To analyze the occurrence characteristics of suspected antivirus (AEFI) in Bayannao’er City from 2012 to 2015 and evaluate the operation of monitoring system. Methods Based on the monitoring indicators of the national AEFI monitoring system, the monitoring data of AEFI cases collected from 2012 to 2015 in the city were collected. The descriptive epidemiological methods were used to analyze the epidemiological indexes. Results A total of 538 AEFI cases were reported in Bayannao’er City from 2012 to 2015. The main clinical manifestations were general adverse reactions, with clinical manifestations of fever, inflamed and indurated, accounting for 95.91%; cases 1 and under Accounting for 71.75%; the sex ratio of male to female was 1.29:1; AEFI vaccine caused the highest proportion of AEFI caused by cell-free diphtheria, accounting for 42.01%. Conclusion The AEFI monitoring system in Bayannao’er City operated well and no abnormal vaccination occurred. The safety of vaccination and quality of service were reliable, and the quality of AEFI monitoring and the initiative of AEFI case search should be further improved.