Spoilers The Pyramid at the End of the World (Grade & Discussion Thread)

[Ar-Pharazon]

It was a strain of Listeria so it could handle it.


EDIT: I thought that was a decent pun...

Not bad

 

[Kitty Worrier]

We saw from Torchwood that Martha still had heightened resistance to infection some months after leaving the TARDIS, with the dialogue suggesting the TARDIS shields its occupants against most diseases. Coupled with the Doctor's own regenerative abilities and ability to manipulate his own biology somewhat (Time Lords can consciously stop one or both hearts, able to shift radiation around their bodies, etc) he may have been able to render all the bacteria on him inert.

What about Nordole? Isn't it implied that he's been infected/contaminated? The Doctor also sent him back into the TARIS due to his lungs being human...

 

[Mr. Adventure]

What about Nordole? Isn't it implied that he's been infected/contaminated? The Doctor also sent him back into the TARIS due to his lungs being human...

This is addressed in The Lie of the Land

Spoiler

Nardole tells Bill:
Well, I got contaminated by that bacteria in the lab, didn't I?
I was laid up for six weeks. If I was human, I would have died.

 

[Kitty Worrier]

Yup, noticed that