Both the communicable and noncommunicable prion diseases still require a particular protein (and typically protein isoform since some folks are resistant to vCJ

Both the communicable and noncommunicable prion diseases still require a particular protein (and typically protein isoform since some folks are resistant to vCJD) to be present so I think this would work on both forms. That said, someone doesn’t normally now they have a prion disease until it’s probably too late to do anything about it.