2005年五六月间,相继在安徽省泗洪县和吉林图门市,出现了因接种甲肝疫苗和流行性出血热疫苗导致群体出现异常反应,一名6岁的小学生死亡。这不禁让人产生了疑问,免疫接种可靠吗?今后进行疫苗接种还有没有安全性?免疫的本质免疫是指人获得抵抗疾病能力的过程,而免疫力即指人类抗 In May and June 2005, a group of 6-year-old primary school students died in Sihong County, Anhui Province and Tumen City, Jilin Province, causing abnormal reactions in the population due to the hepatitis A vaccine and epidemic hemorrhagic fever vaccination. This can not help but doubt that immunization is reliable? Future vaccination there is no security? The essence of immune immunity refers to the process of human ability to resist disease, and immunity refers to the human anti-