Carl Zimmer

And so our immune systems may be tuned

to not breathing in sterile air.

But we don't understand the relationship.

And so I can't say like, oh, well, here's the prescription.

We need to be doing this.

We don't know.

We don't know.

We should find out.

We should find out.

And there are a few studies going on, but not many, I would have to say.

And the same goes for how do we protect indoor spaces and so on.

Like

Well, you know, we kind of have an idea of how airborne COVID is.

Influenza?

We're not that sure.

And there are lots of other diseases that we just don't know.

And, you know, you certainly like if a disease is not traveling through the air at all, like you don't want to take these measures.

But we need to understand their spread more.

And it's still very difficult to study these things.

You know, there are... I hope that when people read it, they sort of see that science is a messy process and there aren't that many clear, you know, villains and good guys in the sense that, like, there can be people who are like totally...