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通过文献复习，阐述了甲型肝炎的许多特殊表现：甲型肝炎并不是一种自限性疾病，少数病人病程迁延甚至变为慢性，发病年龄向后推移，而且能通过其它途径传播，并可发生重症肝炎，出现肝外各个系统改变和复发等。
Through reviewing the literature, many special manifestations of Hepatitis A are elaborated: Hepatitis A is not a self-limited disease, and the course of a few patients may even become chronic, the age of onset may move backward and be transmitted by other means, Occurrence of severe hepatitis, liver system changes occur and recurrence.