But there are many others who are using conventional vaccinology.

但是还有许多其他人正在使用传统的疫苗学。

And so that does raise an issue on vaccinology, because you want to ideally have lifetime immunity.

因此，这确实引发了疫苗学问题，因为理想情况下， 你希望拥有终生免疫力。

Now, that is potentially a solvable problem using vaccinology and many different techniques, but the point is, we just can't assume.

现在，这可能是一个可以使用疫苗学和许多不同技术解决的问题，但关键是，我们不能假设。

They are the unsung heroes of vaccinology, because people go out, they volunteer to take a substance, particularly early on, that don't know how it's going to react.

他们是疫苗学的无名英雄， 因为人们走出去，他们自愿服用一种物质， 尤其是在早期， 不知道它会如何反应。