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乙型病毒性肝炎(乙肝)已成为严重危害我国居民生命健康的重要疾病之一。目前接种乙肝疫苗仍然是预防乙肝最有效和最经济的手段。上海市从1992年起将乙肝疫苗的接种纳入计划免疫管理,对新生儿开展了预防接种工作。1993—1995年间对全市学龄前儿童及中小学生开展了乙肝疫苗接种工
Hepatitis B virus (hepatitis B) has become one of the most important diseases which seriously endanger the lives and health of Chinese residents. Hepatitis B vaccination is still the most effective and most economical means of preventing hepatitis B infection. Since 1992, Shanghai has included the vaccination of hepatitis B vaccine in planned immunization management and vaccinated newborns. Between 1993 and 1995, Hepatitis B vaccination workers were employed in preschool children and primary and secondary school students in the city