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为分析发生预防接种副反应的原因，以控制和降低副反应的发生率，对１９８９～１９９７ 年北京市西城区预防接种副反应的监测资料做了分析。１９８９～１９９７ 年北京市西城区预防接种副反应发生率为３８－４９／１０ 万。其中１９９４ 年副反应发生率最低，为０－８４／１０ 万；１９９７ 年副反应发生率最高，为３１６－５７／１０ 万。副反应发生年龄以６ 岁最多，占总反应的７２－７０ ％ ；其次为＜ １ 岁，占９－３９％ 。９０－０９ ％ 的副反应发生在接种后≤１ 天。８８－１７％ 的副反应与接种≥２ 次同种疫苗有关。一般反应、加重反应、异常反应分别占总反应的２－０９％ 、７０－６１％ 、２７－３０％ 。其中１５７ 例异常反应中过敏反应占５９－２４％ ，非特异性反应占４０－７６％ 。
In order to analyze the causes of adverse effects of vaccination and to control and reduce the incidence of side effects, the monitoring data of the side effects of vaccination in Xicheng District of Beijing from 1989 to 1997 were analyzed. From 1989 to 1997, the incidence of side effects of vaccination in Xicheng District of Beijing was 38-49 / 100,000. Including the lowest incidence of side effects in 1994, 0-84 / 100,000; in 1997 the highest incidence of side effects, 316-57 / 100,000. Side effects occurred at the age of 6 years old, accounting for 72-70% of the total response; followed by <1 year old, accounting for 9-39%. 90-09% of the side effects occur after inoculation ≤ 1 day. 88-17% of the side effects and vaccination ≥ 2 times the same vaccine. General reaction, aggravate the reaction, abnormal reaction accounted for 2-09% of the total reaction, 70-61%, 27-30%. 157 cases of abnormal reactions accounted for 59-24% of allergic reactions, non-specific reactions accounted for 40-76%.