目前,非甲非乙型肝炎分为丙型和戊型两种,前者经肠道外传播;后者经肠道传播。今年9月,在日本东京召开了国际非甲非乙型肝炎和经血传播的传染病学术会议。会上重点交流了上述两型肝炎的流行病学、病原学、动物实验感染、实验室检测、发病机理、临床特点及预防等方面的研究进展。本文对此作了扼要介绍。 At present, non-A, non-B hepatitis is divided into two types of C and E, the former by the extraintestinal tract; the latter by the intestinal tract. In September this year, an international academic conference on non-A, non-B hepatitis and infectious diseases transmitted by blood was held in Tokyo, Japan. The meeting focused on the exchange of these two types of hepatitis epidemiology, etiology, animal experimental infection, laboratory testing, pathogenesis, clinical features and prevention of research progress. This article made a brief introduction.