随着国家扩大免疫规划项目的开展,家长对儿童自身健康的关注程度越来越高,儿童需要接种的疫苗种类和使用数量不断增加。由于每个人对疫苗的免疫应答水平及个体易感性不同,不仅影响疫苗免疫的效果,同时有些儿童可出现接种后的疑似预防接种异 With the national expansion of immunization programs, parents are paying more attention to the health of children and the types of vaccines and the amount of vaccines that children need are increasing. Because each person’s level of immune response to the vaccine and the individual’s susceptibility vary, not only does it affect the vaccine’s immunization, but some children may develop a suspected vaccination after vaccination