1910～1920年间的一些关于出生于结核病家庭,并生活于有传染危险环境,又没有采取任何预防措施的新生儿的预后的材料说明:主要传染源是母亲,长期密切接触的儿童病死率明显为高,最常见的死因是结脑。20世纪初,虽开始提倡隔离,但由于开始隔离时间较晚而效果不佳。1920年前后才认识到出生后立即隔离的重要性。 Some of the materials from 1910 to 1920 concerning the prognosis of newborns born in TB families and living in dangerously infectious conditions without any precautionary measures indicate that the main source of infection is the mother and that the mortality rate among the children who have been in long-term close contact is significantly High, the most common cause of death is knot brain. At the beginning of the 20th century, although isolation began to be advocated, it was ineffective due to the late start of isolation. It was only after 1920 that the importance of isolation immediately after birth was recognized.