One, with his chin propped on his knees, stared at nothing, in an intolerable and appalling manner: his brother phantom rested its forehead, as if overcome with a great weariness; and all about others were scattered in every pose of contorted collapse, as in some picture of a massacre or a pestilence.
There are no more uses of "pestilence" in the book.
Show samples from other sources
That summer of the Pestilence was brutally hot, and the stench of rotting flesh hung in the air like an invisible, noxious fog.
Rick Yancey -- The 5th Wave
Rivers of fire …. bloodthirsty Vikings …. pestilence so thick you can’t breathe …. and mixed into all that, like some devilish bouillabaisse, bird knows how many wights and hollowgast!"