Yeah, the Koch's Postulates wiki page is a riot. They can barely stand to even state them before they start shouting how, well, there's all these exceptions, you see, and if you don't agree you're stupid and hate science.

I've thought through examples where, if they were allowed to fail to satisfy one or more of the postulates, things like knife wounds could be considered communicable diseases. Also how the horribly transmissible "cooties" could be reliably diagnosed with a coin flip.