translation.en: So, if we can figure out how to do that, then we have the vaccine, and what's interesting is there already is some evidence that we're beginning to crack that problem.
translation.zh: 如果我们知道它们怎么工作的， 之后我们就研制出疫苗。 正真有趣的是 有些迹象证明我们已经开始解决这些问题。