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对２００ 例误种超剂量卡介苗的儿童进行了临床观察和治疗。结果显示，６９ 例（３４ ．５ ％ ） 出现程度不等的局部异常反应，其中弱阳性反应３１ 例（１５ ．５ ％ ） ，阳性反应３１ 例（１５ ．５ ％ ） ，强阳性反应７ 例（３ ．５ ％ ） 。进一步分析表明，既往接种卡介苗者比未接种者反应要少，要轻（ Ｐ＜ ０ ．００１） 。经抗痨和手术治疗，所有患儿被治愈。随访２ 年，未出现结核病病例。
The clinical observation and treatment of 200 cases of miscarriage of overdose BCG children. The results showed that there were 31 cases (15.5%) with weakly positive reaction, 31 cases (15.5%) with positive reaction, 7 cases with strong positive reaction (34.5%), 3.5%). Further analysis showed that those who had previously had BCG were less reactive and less likely to be vaccinated (P <0.001). After anti-tuberculosis and surgical treatment, all children were cured. Follow-up 2 years, no cases of tuberculosis.