Disinfectants don't work on prions. An autoclave doesn't work on prions. Time, largely, doesn't work on prions. Prions are damn near indestructible and cause a

Disinfectants don't work on prions. An autoclave doesn't work on prions. Time, largely, doesn't work on prions. Prions are damn near indestructible and cause awful diseases for which we have no treatment or cure. It's the biological equivalent of false vacuum decay.