I happened to mention this to someone and their eyes just bugged out. Then she said her husband is having surgery on Monday... and asked for prayer.
So, no, noone is thinking about that yet.
I know that I don't want vaxinated blood.
I guess in the future, the blood of the young (who are not vaccinated) will be doubly valuable: rejuvenating and unmodified.
They are a crop.
What a world.