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5月5日朝日新闻报道,非甲非乙型肝炎的发生方式大致有三种:某地区病例集中出现的流行型;输血后肝炎;孤立发生的散在型等。松下宽氏报告的流行病例247例急性肝炎中237(90%)例是非甲非乙型。有26个家族内集聚(2人以上发病)发病,90%的病例分布在30岁以上的各年龄组,几乎没有不满10岁的患儿。在家族内有与患者接触机会的人肝损伤者多。提示有人与人的接触感染。国立病院共同研究班认为最近发生的输血后肝炎几乎全是非甲非乙型。矢野氏认为输血后肝炎重症少,无黄疸型多,慢性化高达79%。其特征是:轻型
Asahi Shimbun reported on May 5 that non-A, non-B hepatitis occurs in about three ways: one is endemic in a district; the other is hepatitis after blood transfusion; Among the 247 reported cases of acute hepatitis, 237 (90%) were non-A, non-B-type. There are 26 familial aggres- sions (onset of 2 or more), and 90% of cases are found in all age groups over 30 years of age with very few children under 10 years of age. There are many people who have a chance of getting in touch with patients within the family. Prompt someone in contact with infection. A joint study by the National Hospital considers that the recent post-transfusion hepatitis is almost exclusively non-A, B-type. Yano believes that post-transfusion less severe hepatitis, jaundice and more, up to 79% of chronic. Its characteristics are: light