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目的了解卡介苗的接种质量,分析影响因素,为改善预防接种工作提供依据。方法应用卡介菌纯蛋白衍生物(BCG-PPD)试验方法,随机抽取城市和乡村各250名3个月～1岁儿童,接种卡介苗3个月后进行PPD阳转率调查。结果 BCG-PPD试验总阳性率88.60%,无性别差异,城市儿童BCG-PPD试验阳性率高于农村儿童。BCG-PPD试验阳性率与卡疤大小呈正相关。结论我市儿童卡介苗接种质量较高,应改善农村预防接种条件,加强对BCG预防接种人员特别是农村预防接种人员的技术培训,有利于提高预防接种质量。
Objective To understand the quality of BCG vaccination and analyze the influencing factors so as to provide basis for improving vaccination. Methods A total of 250 children aged 3 months to 1 year in urban and rural areas were randomly selected for BCG-PPD test. After 3 months of BCG vaccination, PPD positive rate was investigated. Results The total positive rate of BCG-PPD was 88.60%. There was no gender difference. The positive rate of BCG-PPD in urban children was higher than that of rural children. The positive rate of BCG-PPD test was positively correlated with the size of keloid scar. Conclusion The high quality of BCG vaccination among children in our city should improve the vaccination conditions in rural areas and strengthen the technical training of BCG immunization personnel, especially rural vaccination personnel, which is beneficial to improve vaccination quality.