随着科学技术的进步,已有可能进一步改进现有疫苗和开发新型疫苗。因此世界卫生组织等5个国际组织联合发起一个“儿童疫苗计划”(CVI, Children’s Vaccine Initiative),并发表了纽约宣言,成立了推行CVI活动的组织机构,明确了理想儿童疫苗的要求,提出了实施计划的目标和可采取的技术路线和方法。CVI的目的是组织和通过国际的广泛合作,推动和加速改进现有 With advances in science and technology, it has become possible to further improve existing vaccines and develop new vaccines. As a result, five international organizations such as WHO jointly launched a Children’s Vaccine Initiative (CVI) and released the New York Declaration. They set up an organizational structure for implementing CVI activities and clarified the requirements of an ideal childhood vaccine. Objectives of the implementation plan and possible technical routes and approaches. The purpose of the CVI is to organize and promote and accelerate the improvement of existing ones through extensive international cooperation