I've never seen a reference to it as the 'reduvii bug' - but I only know about this incidentally (mentioned in passing in a research paper I'd been reading and I read the referenced paper on cardiac disease which was over my head. I remember it could cause heart muscle failure - but I might have gotten that wrong). My following rabbit holes goes back to my undergrad days - but it was all on paper then.
The Army's connection with tropical diseases goes all the way back to Walter Reed, doesn't it?