麻疹减毒活疫苗的发展为人类对抗麻疹这一在儿童中肆虐了多个世纪的疾病提供了有力武器。三十年后 ,疫苗显示出它的优点和问题。世界卫生组织 ( WHO)确定了用此疫苗消灭麻疹的策略。本文讨论一些人们关注的问题及可能的解决办法 The development of live attenuated measles vaccines has provided a powerful weapon for humankind against measles, a disease that has been ravaged by children for centuries. Thirty years later, the vaccine shows its strengths and problems. The World Health Organization (WHO) has identified a strategy to eradicate measles with this vaccine. This article discusses some of the issues of concern and possible solutions