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四十年代以来,瑞典至少有95%的新生儿接种 BCG,该方案已于1975年4月停止。本文研究改变后的后果。作者对1969年以后及1975年4月以后在瑞典出生的结核病患儿进行对比研究,每组观察5年零9个月。
Since the 1940s, at least 95% of newborns in Sweden have been vaccinated against BCG, which was stopped in April 1975. This article examines the changed consequences. The authors compared children with tuberculosis who were born in Sweden after 1969 and after April 1975 with 5 years and 9 months each.