translation.en: SB: The game change can come at any time, because the problem we have now is we've shown we can get a vaccine to work in humans; we just need a better one.
translation.zh: SB：任何时候游戏不断替换。 因为我们现在的面对的问题是 正如我们刚才向你们展现疫苗在人体如何工作的。 我们需要更好的一种。