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为了加强对饮食服务及食品加工从业人员（以下简称从业人员）的管理，维护市民健康，便于进一步制定有效预防措施。我们对１９８５—１９９７年间从业人员ＨＢｓＡｇ感染情况调查结果统计分析如下：１材料及方法１．１标本来源每年来本站体检的从业人员，空腹采血、分离血...
In order to strengthen the management of foodservice and food processing practitioners (hereinafter referred to as practitioners) and safeguard the public health, it is convenient to further formulate effective preventive measures. Our 1985-1997 survey of HBsAg among workers was statistically analyzed as follows: 1 Materials and methods 1.1 The source of specimens Each year to the practitioners of this site physical examination, fasting blood, blood separation ...