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乙型肝炎表面抗原携带者是乙型肝炎的主要传染源。为了解额济纳旗食品从业人员HBSAg携带情况，进行了HBSAg测定。1对象与方法检测对象：额济纳旗所有食品从业人员。检验方法：清晨空腹静脉采血，即刻分离血清，用反向被动血凝法（微量法）测定HBSAg。以血球不凝集者为阴性，1：
Hepatitis B surface antigen carriers are the main source of hepatitis B infection. HBSAg assay was conducted to understand the HBSAg carriers in food workers in Ejin Banner. 1 object and method test object: Ejin all food employees. Test methods: fasting blood collection in the morning, immediately separated serum, with reverse passive hemagglutination (trace method) determination of HBSAg. To blood coagulation were negative, 1: