[Carry_Okie]

Why, maybe, such a long incubation period?

I'm just speculating, but it would take time to accumulate the manganese.

[neverdem]

I was perusing JAMA and noticed a reference to this article. Ferritin is the main protein involved in the storage of iron physiologically. Let me know if you don't care for medical abstracts, so I don't bother you with them.

Protease-Resistant Human Prion Protein and Ferritin Are Cotransported across Caco-2 Epithelial Cells: Implications for Species Barrier in Prion Uptake from the Intestine