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目的分析张家港市疑似预防接种异常反应(AEFI)的发生特征和影响因素,提高监测敏感性。方法采用描述性流行病学方法,对AEFI个案数据统计分析。结果 2012年共报告AEFI 300例,涉及18种疫苗,报告发生率62.29/10万;一类疫苗报告271例,发生率72.68/10万;二类疫苗报告29例,发生率26.67/10万。一般反应占94.33%,多为发热/红肿/硬结;异常反应5.33%,多为过敏性皮疹。病例多发生在<1岁儿童(占50.00%),多在接种后24 h内发生(69.33%)。结论张家港市AEFI监测报告的完整性、及时性、调查率均较高。
Objective To analyze the occurrence characteristics and influencing factors of suspected immunization inoculation in Zhangjiagang City and to improve the sensitivity of surveillance. Methods Descriptive epidemiological methods were used to analyze the data of AEFI cases. Results A total of 300 AEFI cases were reported in 2012, involving 18 kinds of vaccines, with a reported incidence of 62.29 / 100 000. There were 271 cases of a type of vaccine reported with a frequency of 72.68 / 100 000 and 29 cases of type II vaccine with a rate of 26.67 / 100 000. The common reaction accounted for 94.33%, mostly fever / redness / induration; abnormal response 5.33%, mostly allergic rash. More cases occurred in <1 year old children (50.00%), and more occurred within 24 h after inoculation (69.33%). Conclusion The integrity, timeliness and investigation rate of AEFI monitoring report in Zhangjiagang City are both high.