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非甲非乙型肝炎(下称NANB)包括所有在血清学方面与甲型肝炎病毒(HAV)、乙型肝炎病毒(HBV)无亲缘关系的肝炎。过去一个时期所报道的NANB是指有区别于乙型肝炎(HB)的一种输血后肝炎,但随着对NANB的更进一步研究,目前认为NANB最低限度包括与输血有关的NANB、与Delta抗原相关的NANB以及流行性NANB三种肝炎。与输血有关的NANB,其致病因子主要是通过污染的血液或在医学上使用的血液制品,尤其是抗血友病因子传播的,但不完全排除人
Non-A, non-B hepatitis (hereinafter referred to as NANB) includes all hepatitis that is serologically unrelated to Hepatitis A virus (HAV) and Hepatitis B virus (HBV). NANB, reported in the past period, refers to a post-transhepatic hepatitis that differs from hepatitis B. However, with further studies on NANB, NANB is currently considered to be minimally included in the context of transfusion-associated NANB and Delta antigen Related NANB and epidemic NANB three kinds of hepatitis. NANB, associated with blood transfusions, is caused mainly by contaminating blood or medically used blood products, especially anti-hemophilia, but does not completely exclude people