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Purcell和Ticehurst报道在发展中国家引起肝炎暴发的病原是肠型传播的非甲非乙型肝炎即戊型肝炎病毒(HEV),通常由粪便污染水源而传染;也有关于到疫区旅游者感染发病的散发病例报道。HEV感染的潜在危险是其可对孕妇致死率高达10%～20%。 HEV基因组上2个开放读码框架
Purcell and Ticehurst reported that the pathogen causing hepatitis outbreaks in developing countries is enteric-borne non-A, non-Hepatitis B virus (HEV), which is usually transmitted by faecal contamination of water sources; The distribution of cases reported. The potential danger of HEV infection is that it can kill up to 10% to 20% of pregnant women. Two open reading frames on HEV genome