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[目的]了解我市卡介苗初免儿童的免疫状况,为改善卡介苗接种工作提供依据。[方法]应用结核菌素试验(PPD),对我市沙市城区730名卡介苗接种3个月后的3个月～1岁儿童,进行PPD阳性率调查与影响因素分析。[结果]本组儿童PPD阳性率91.5%,无性别差异;分析影响本组试验阳性率的因素有:有卡介苗接种史者高于其接种史不详者;有卡疤者高于无卡疤者;在接种门诊与医院产房接种卡介苗者高于村镇卫生室与街道卫生院接种;有结核病接触史者高于一般人群。[结论]PPD监测结果表明,本组儿童卡介苗接种质量较高。消除影响PPD试验阳性率的因素,可提高卡介苗免疫质量。
[Objective] To understand the immune status of children with BCG immunization in our city and provide basis for improving BCG vaccination. [Methods] By means of tuberculin test (PPD), 730 children aged 3 months to 1 year after inoculation of 730 BCGs in Shashi urban area of our city were investigated for PPD positive rate and influencing factors. [Results] The positive rates of PPD in this group of children were 91.5% with no gender difference. The factors influencing the positive rate of this test were as follows: those with BCG vaccination history were higher than those with unknown history of vaccination; ; Inoculation clinics and hospital delivery room BCG vaccination were higher than the township clinics and street hospitals inoculation; history of exposure to tuberculosis than the general population. [Conclusion] The results of PPD monitoring showed that the quality of BCG vaccination in this group was high. Elimination of factors that affect the positive rate of PPD test can improve the immune quality of BCG.