Is It Easy to Detect These Proteins in Blood?

It's currently something that because these people remain undetected so long, they don't really know that they are at high risk. So we're sort of in those people slamming the door after the horse is bolted. Whereas with what you're doing, you give people some warning beforehand, so there's still time to intervene meaningfully. Is it easy to detect these proteins? At the moment, you've got a powerful laboratory to do this. If this were to be turned into a test, how practical is that?