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乙型肝炎旧称血清性肝炎或长潜伏期肝炎,是目前对人类健康影响较大的传染病,近些年来发病在全世界均有增多趋势。乙型肝炎的传染源是病人和健康带病毒者。乙型肝炎病毒在血液中持续时间长短不一,80％在发病后4—12周消失,但有的可长期带病毒达6—20年以上。相当多的一部份人感染后长期携带病毒,估计全世界带病毒者约1亿2千万人。健康带病毒者在人群中的
Hepatitis B, formerly known as serum hepatitis or long-latency hepatitis, is currently an infectious disease that has a major impact on human health. In recent years, the incidence has been on the rise all over the world. The source of hepatitis B infection is the patient and healthy with the virus. Hepatitis B virus in the blood duration varies, 80% disappeared 4-12 weeks after onset, but some can take the virus for 6-20 years or more long-term. A significant number of people carry the virus for long periods of time after being infected and an estimated 120 million people in the world are living with the virus. Healthy people with the virus in the crowd