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半个世纪以来,流感疫苗一直在受精鸡蛋(鸡蛋胚胎)中培育。美国政府近日公布了新的指导方针,承诺积极推进更现代流感疫苗培育方法的研发:使用细胞培育流感疫苗。
For half a century, flu vaccines have been raised in fertilized eggs (egg embryos). The U.S. government recently announced new guidelines promised to actively promote the development of a more modern influenza vaccine development approach: cell-based influenza vaccination.