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病毒性肝炎是由几种称之为嗜肝病毒所引起的一组以损伤肝脏为主的全身性疾病的总称。肝炎病毒在1989年9月28～30日在日本东京召开的国际肝炎学术会议上已肯定有5型,即A、B、C、D、E,我围转泽为甲、乙、丙、丁、戊,分別引起甲、乙、丙、丁、戊型肝炎,统称病毒性肝炎。 1.甲型肝炎病毒(HAV) 属核糖核酸(RNA)病毒。可用实验动物如绒猴和黑猩猩制造出动物模型。在人和猴的某些细胞中可以生长、复制和传代。此病毒抵抗力较强,能耐受50℃60分
Viral hepatitis is a generic term for a group of systemic diseases characterized by damage to the liver caused by several types of hepadnavirus. Hepatitis A virus has been affirmed at the International Hepatitis Conference held on September 28-30, 1989 in Tokyo, Japan. Type A, B, C, D, and E have been identified as A, B, C and D , E, respectively, caused by A, B, C, D, E hepatitis, collectively referred to as viral hepatitis. Hepatitis A virus (HAV) is a RNA virus. Animal models such as marmosets and chimpanzees can be made using experimental animals. Some cells in humans and monkeys can grow, replicate and pass on. This virus is more resistant to 50 ℃ 60 minutes