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慢性乙型肝炎的广泛流行是重要的公共卫生问题,目前全球约有2.4亿慢性感染者,大约20%~30%的慢性感染者会出现肝硬化和肝细胞癌等并发症,每年预计有65万例患者死于慢性乙肝。多年来,经过各级卫生工作者艰辛的努力,我国病毒性肝炎防控取得了举世瞩目的成就,人群乙肝表面抗原携带率从1992年的9.75%(1.2亿人)下降到2006年的7.18%(9 300万人),5岁以下儿童携带
The widespread epidemic of chronic hepatitis B is an important public health problem. Currently, there are about 240 million chronically infected people in the world. About 20% -30% of those with chronic infection will develop complications such as cirrhosis and hepatocellular carcinoma, and an estimated 65 Ten thousand patients die of chronic hepatitis B. Over the years, with the hard work of health workers at all levels, remarkable achievements have been made in prevention and control of viral hepatitis in China. The population carrying rate of hepatitis B surface antigen has dropped from 9.75% (120 million people) in 1992 to 7.18% in 2006 (93 million), children under 5 years of age