不过，专家们说，很难从病毒中分离出这部分蛋白质用于疫苗，或利用基因工程生产出这种蛋白质。
But experts say it will be very difficult to isolate this part of the protein from the virus to use in a vaccine, or to manufacture it using genetic engineering.
“我们为此制作了路线图，作为基因工程的第一个‘杀手程序’，它将对基因密码进行重大改变，使病毒无法预测和识别，”他说道。
"We have a road map for this as the first 'killer app' for genome engineering, which is to change the genetic code genome-wide to something that the viruses don't expect," he says.
通过利用基因工程修改鸡的DNA，泰利和他的同事已成功阻止了禽流感病毒在鸡群中传播。
By genetically modifying the DNA of chickens, Tiley and his colleagues have prevented the virus from being transmitted from chicken to chicken.
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