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本文介绍了当前疫苗学中存在的一些问题 ,并对新的疫苗开发手段、接种途径和免疫接种新目标作了阐述 ,提出了二十一世纪必须应对的社会问题。
This article describes some of the current problems in the field of vaccine science. It also elaborates on new vaccine development methods, routes of vaccination and new immunization goals, and proposes the social issues that must be addressed in the 21st century.