Contagious means you can get it from direct or indirect contact with another person or organism that is infected. Not from eating them.
That is not possible with prion disease.
Ingesting a Petri dish full of flu virus doesn’t make the Petri dish ‘contagious’.
CarbonatedPastaSauce@lemmy.world 1 month ago
Also, that’s not what direct contact means when discussing contagion:
www.ncbi.nlm.nih.gov/pmc/articles/PMC7150340/
Ingestion is not ‘direct contact’.