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在1959年的全国传染病学术会议上,有关传染性肝炎的黄疸型和无黄疸型问题,引起了广泛的注意。我们对于这个问题也很有兴趣,因此在1960年中进行了一些儿童传染性肝炎的流行病学调查,目的是想了解:黄疸型儿童传染性肝炎和无黄疸型儿童传染性肝炎在分布上是否相同,二者在传播上是否可以发生关系,二者在集体单位中引起的续发病例何者居多。方法
At the 1959 National Conference on Infectious Diseases, jaundice-related and jaundice-free problems related to infectious hepatitis attracted wide attention. We are also very much interested in this issue. Therefore, some epidemiological investigations on infectious hepatitis of children were conducted in mid-1960 to find out whether the distribution of jaundice-type children with infectious hepatitis and non-jaundice-type infectious hepatitis was Similarly, the two can be transmitted in the relationship between the two units in the collective unit caused by the majority of cases of renewal. method