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1993年我们对湟中某贫困地区385名1-7岁儿童结核菌素试验（－）者，接种卡介苗并于8周后进行了结素试验随机抽样调查，了解卡介苗接种质量和免疫效果。卡介苗接种有：口服法，皮内注射法，皮上划痕法。我们采用划痕法，在上臂三角肌外缘下端，行常规消毒后，将茵茵（每毫升含菌
In 1993, 385 1-7-year-old children with tuberculin test (-) in a poverty-stricken area in Taichung were vaccinated with BCG and conducted a random sample of 8 weeks later to investigate the quality of BCG vaccination and the immune effect. BCG vaccination are: oral, intradermal injection, skin scratch method. We use the scratch method, in the lower extremity of the upper arm deltoid, routine disinfection, the inoculum (per ml of bacteria