我们于1983年10月～1985年5月在我县某乡选择了7岁内未接种卡介苗的儿童作了卡介苗皮内直接接种法的效果观察。方法:受试对象先作结素试验,阴性者注射卡介苗,阳性和强阳性者须先体检和 x 线胸透,确认无活动性结核后皮内接种卡介苗,接种后第4周和第18周各胸透1次,并将局部和全身反应情况填入个案表。第18周进行结素试验,测定两组阳转率。18个月后随访阳性组儿童1次。 We in October 1983 ~ May 1985 in a county in our county chose not to be vaccinated within 7 years of BCG children were given BCG intradermal direct inoculation method of observation. Methods: The subjects were tested for the first knot, negative BCG injection, positive and strongly positive person must first physical examination and x-ray thoracic, to confirm non-active tuberculosis intradermal BCG vaccination, 4 weeks after vaccination and 18 weeks Thoracic 1 times, and local and systemic reactions into the case table. At the 18th week, the tuberculin test was performed and the positive rate of the two groups was measured. Children in the positive group were followed up 18 months later.