It's simple, cook them, before you eat them. No bacteria can survive boiling temperatures.
I guess you didn't actually read what i just said.
Firstly, the stigma's arose in early history of man, back when we used to
cure most of our food, not
cook it. Curing is good at preserving but not nearly as effective at killing bacteria
Secondly most
prion diseases like CJD and Kuru are caused by specific proteins that break the tertiary structure of other proteins in a cascade effect. Cooking it to the point you denature or destroy the problem proteins will actually reduce the protein you
wanted to eat (the meat) into a charcoal briquette