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目的分析哈尔滨市2011年疑似预防接种异常反应(Adverse event following immunization,AEFI)的特征,评价AEFI监测系统运转情况。方法对《疑似预防接种异常反应信息管理系统》报告的哈尔滨市2011年AEFI数据进行描述性分析。结果 2011年哈尔滨市共报告188例AEFI,以一般反应为主,占报告总数的86.7%;下半年报告的病例占全年总数的72.9%;年龄≤1岁和1岁<年龄≤2岁组报告病例最多,分别占总数的42.0%和36.2%;吸附无细胞百白破联合疫苗因接种针次多,AEFI发生数也最多,占总数的49.5%;一般反应中,报告最多的是发热、红肿、硬结,占85.1%。结论哈尔滨市AEFI及时报告率、及时调查率、调查表及时上报率等监测指标均达到较高水平。今后应加强对基层人员的培训和督导检查,在乡级单位开展网络直报,进一步提高AEFI监测系统的敏感性和及时性。
Objective To analyze the characteristics of suspected Averse Infectious Diseases (AEFI) in Harbin in 2011 and evaluate the operation of AEFI monitoring system. Methods A descriptive analysis of 2011 AEFI data of Harbin in the report of “Information System for Suspected Vaccination Abnormal Response” was conducted. Results A total of 188 AEFI cases were reported in Harbin in 2011, accounting for 86.7% of the total reported cases and 72.9% of the total reported cases in the second half of the year. Patients aged ≤1 and ≤1 years ≤2 years of age The reported cases accounted for 42.0% and 36.2% of the total, respectively. The total number of AEFIs occurred in 49.3% of the total number of vaccinated needle-free combination vaccines because of the frequency of vaccination. In general reactions, the most reported were fever, Redness, induration, accounting for 85.1%. Conclusion The AEFI timely reporting rate, timely investigation rate, timely reporting rate of questionnaire and other indicators have reached a high level. In the future, training and supervision and inspection of grass-roots personnel should be stepped up and direct online reporting at the township level should be conducted to further enhance the sensitivity and timeliness of the AEFI monitoring system.