血源性乙型肝炎疫苗使用状况自从1982年6月血源性乙型肝炎(HB)疫苗获准使用以来,美国已接种了440万剂疫苗,估计有140万人完成了3剂疫苗接种。近5年期间,疫苗接种主要针对以下3组危险人群:卫生保健人员和接触血液人员、发育障碍者收容所的职工和病人以及血液透析单位的职工和病人。据估计,有85%以上的疫 Hepatitis B Vaccine Status Since the Hepatitis B (HB) vaccine was approved for use in June 1982, the United States has vaccinated 4.4 million doses and an estimated 1.4 million people have completed three doses. In the recent 5 years, the vaccination mainly targeted at the following 3 groups of dangerous people: health care workers and people in contact with blood, staff and patients in impoverished shelters and employees and patients in hemodialysis units. It is estimated that more than 85% of the epidemic