Prions are spread by eating (or otherwise becoming infected with) prions, not by eating something that is you, or is similar to you. There's no reason why a lab

Prions are spread by eating (or otherwise becoming infected with) prions, not by eating something that is you, or is similar to you. There's no reason why a lab-grown me-burger would have prions in it. Or, at least, it's no more likely than a lab-grown beef burger spontaneously developing Creutzfeldt-Jakob Disease.