FWIW Wikipedia says: > Prion replication is subject to epimutation and natural selection just as for other forms of replication, and their structure varies sli

FWIW Wikipedia says: > Prion replication is subject to epimutation and natural selection just as for other forms of replication, and their structure varies slightly between species.[19] [19] is https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2848070 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2848070