What Are the Symptoms of the Boubon Super Bubonic Plague?

This all just seems so risky, like, y putting aside the fact that they're torturing and experimenting on on humans. Like if you put yourself in the mind of an absolutely insane psychopath, like even you'd be like, maybe killing the world is a bad idea. But whn you unleash bobon super bubonic plague on, to say, the chinese countryside, which is what he's going to do, it's like, ha, ha. It worked. Oh no, it's coming back. H it's like they didn't read their own history books when the plague wiped out half the god damned planet a couple of hundred years ago.