Objective To analyze the characteristics of suspected adverse event following immunization (AEFI) in Anshan City during 2015-2018, so as to evaluate the safety of national immunization program vaccines. Methods The AEFI case data of Anshan City during 2015-2018, collected by the AEFI information management system were analyzed by descriptive epidemiological method. Results A total of 863 AEFI cases caused by immunization program vaccines for children were reported in Anshan during 2015-2018, with 199 cases in 2015, 231 cases in 2016, 170 cases in 2017 and 263 cases in 2018.The overall reported incidence was 42.53/105.Among all the reported cases, 796(92.24%) cases were common adverse reactions, 39(4.52%) cases were rare adverse reactions, 26(3.01%) cases were coincidental events, and 1(0.12%) case was psychogenic reaction, 1(0.12%) case was undetermined.A total of 649(75.20%) cases occurred among children under one year old.The vaccine with the highest reported number and incidence of AEFI was the DTaP vaccine, reported by 336 cases (93.19/105). Conclusion AEFI monitoring in Anshan is of high sensitivity, and national immunization program vaccines for children are highly safe.
Key words
suspected adverse events following immunization /
national immunization program vaccine /
monitoring
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