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肝炎按病毒的种类的不同,可分为甲、乙、丙、丁、戊五型。这五型肝炎好象五个兄弟,虽是同一家族,但却有其不同的特点。一、各型肝炎的流行病学特点有所不同。甲型和戊型肝炎均为粪、口传播,是肠道传染病,常发生因水源、食品污染而引起的暴发流行。1988年春,席卷上海、杭州等地的甲肝大流行。就是因为吃了被粪便污染的毛蚶而引起的。乙、丙、和丁型肝炎则均透过血液或体液
According to the different types of hepatitis virus can be divided into A, B, C, D, E five types. These five hepatitis five brothers seem to be the same family, but they have different characteristics. First, the epidemiological characteristics of various types of hepatitis are different. Hepatitis A and E are fecal, oral transmission, is an intestinal infectious disease, often due to water, food contamination caused by the outbreak. The spring of 1988, swept Shanghai, Hangzhou and other places of hepatitis A pandemic. It is caused by the eating of cats contaminated with excrement. B, C, and D are transmitted through the blood or body fluids