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乙型肝炎疫苗的问世,是预防医学上的一个重要里程碑。现今,有了这种可靠、高效的免疫制剂,我们可以保护易感者免受传染。这种疫苗不光能预防急性感染,还能减少慢性肝炎、肝硬化和原发性肝癌这些同乙型肝炎有关并引起大部分发病和死亡的疾病。因此必须正确而积极地推广疫苗的应用。但是我们对此也不能寄于过大的希望,因为这种疫苗的费用大,供应有限,影响了其受益的范围。乙型肝炎疫苗从几方面来说都是独一无二的。不象其他抗病毒疫苗是由特别病毒,经实验室培养提制的,这种疫苗是由从健康
The advent of hepatitis B vaccine is an important milestone in preventive medicine. Nowadays, with this reliable and efficient immune preparation, we can protect susceptible individuals from infection. Not only does this vaccine prevent acute infections, it can also reduce the incidence of chronic hepatitis, cirrhosis and primary liver cancer, diseases associated with Hepatitis B that cause most of the morbidity and mortality. Therefore, the vaccine application must be promoted correctly and actively. However, we can not hope too much because this vaccine is costly and limited in supply, affecting the scope of its benefits. Hepatitis B vaccine is unique in several ways. Unlike other antiviral vaccines that are made from laboratory-specific viruses by special viruses, this vaccine is derived from health