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同德县位于青海省南部 ,面积 4 90 3ｋｍ2 ,平均海拔在 30 0 0ｍ以上 ,干燥、高寒、缺氧 ;以牧业为主 ,经济较落后 ,是乙型病毒性肝炎 (乙肝 )高发地区。为了解当地藏族与汉族居民乙肝病毒感染状况 ,以便制订相应的防治措施 ,2 0 0 0年 9月抽取该县的正常人群进行了乙肝病毒 5
Tongde County is located in the southern part of Qinghai Province, covering an area of 4 903km2 with an average elevation above 300m. It is dry, alpine and anoxic. It is dominated by animal husbandry and economically backward. It is a high-risk area for hepatitis B virus (HBV). To understand the local Tibetan and Han residents of hepatitis B virus infection in order to develop the appropriate prevention and treatment measures, in September 2000 to select the county’s normal population for hepatitis B virus 5