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D型肝炎病毒(HDV,6因子)系Rizzetto于1977年在意大利首次发现的一种缺陷性嗜肝RNA病毒,它在人体的表达和复制需要B型肝炎病毒(HBV)的预先存在或伴随感染。HDV感染可加重急性和慢性B型肝炎的病情。血清流行病
Hepatitis D virus (HDV, factor 6) is a defective hepadnavirus that was first discovered by Rizzetto in Italy in 1977 and required for the pre-existing or concomitant infection with hepatitis B virus (HBV) in humans for its expression and replication . HDV infection aggravates the condition of acute and chronic hepatitis B. Seroepidemiology