麻疹是人类发病率最高的接触性传染病之一。在麻疹疫苗使用前曾广泛传播,1980年全球麻疹死亡病例估计约有260万。第4个跨世纪发展目标是到2015年儿童麻疹死亡数要比1990年下降2/3。麻疹疫苗接种可降低儿童死亡率,麻疹疫苗接种覆盖率可作为儿童健康服务的里程碑,常规麻疹疫苗接 Measles is one of the most contagious contagious diseases in humankind. The spread of measles vaccine was widespread before the measles deaths were estimated at 2.6 million in 1980 worldwide. The fourth cross-century development goal is that by 2015 the number of measles deaths in children will drop by two thirds compared with 1990. Measles vaccination can reduce child mortality, measles vaccination coverage can serve as a milestone in child health services, conventional measles vaccine