Maybe you don't need the whole virus, but you could just use a piece of the virus,right?

也许你并不需要完整的病毒,你只需使用病毒的一部分

耶鲁公开课 - 生物医学工程探索课程节选

And then I don't have to produce the whole virus in order to make a vaccine.

那么无需合成完整的病毒,就能制造疫苗

耶鲁公开课 - 生物医学工程探索课程节选

One can also purify parts of the protein, that is, parts of the virus, that is, "Do I really need to deliver the whole virus?"

人们还可以纯化部分蛋白质,也就是病毒的某些部分来制造疫苗,那么还需要接种完整的病毒吗

耶鲁公开课 - 生物医学工程探索课程节选

Or maybe you don't need the whole virus.

也许你并不需要完整的病毒

耶鲁公开课 - 生物医学工程探索课程节选