[BigV]

Originally Posted by Clodfobble

Plasma's different than plain blood. It takes a lot longer to donate, about an hour, it hurts a little more, and the donor screening is more rigorous. They prefer steady, routine donors, rather than a bunch of random volunteers. And, they test you for specific uncommon antibodies, and if you have those, you are even more desirable because they can extract those for certain immune therapies.

did this for years. apheresis donation