A型（甲型）和E型肝炎（戊型肝炎）主要通过粪-口途径传播，也与缺乏安全的水源和卫生设施有关。
Hepatitis A and E are also transmitted by the fecal-oral route, in association with lack of access to safe water and sanitation.
HCV经典的传播途径为经血液或血液制品传播，但1991年后献血员HCV的筛检已使输血后丙型肝炎大为减少。
The typical transmission routes of HCV is through blood or blood products. After 1991, screening of donators greatly helps decrease the transmission of HCV through blood.
HCV的经典传播途径为经血液或血液制品传播，但1991年后献血员HCV的筛检已使输血后丙型肝炎大为减少。
The typical transmission way of HCV is through blood or blood product. But since blood donors being routinely screened for HCV after 1991, the way of HCV transmission has been changing.
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