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大连经济技术开发区是国家级开发区,区内外资企业众多,企业员工来自各地,为了解外资企业员工乙型肝炎病毒(ＨＢＶ)感染情况,以便有效地控制ＨＢＶ的感染和流行,提高员工的健康水平,我们于1999年8～10月对区内外资企业员工进行了ＨＢＶ感染血清流行病学调查。资料与方法1开发区
Dalian Economic and Technological Development Zone is a state-level development zone with many foreign-funded enterprises and employees from all over the country. In order to understand the situation of hepatitis B virus (HBV) infection among foreign-funded enterprises in order to effectively control HBV infection and epidemic, Health level, we conducted a serological investigation of HBV infection among the foreign-funded enterprises in the district from August to October 1999. Materials and Methods 1 Development Zone