AB+ is the universal recipient of red blood cells, O- is the universal donor. It is reverse for plasma.
The blood rejection is reaction between blood plasma (with cells produced by your immune system) and red blood cells.
The blood rejection is reaction between blood plasma (with cells produced by your immune system) and red blood cells.
My partner has had severe anemia, and because of a prior transfusion went from being an easy match (A+) to a being a 1 in a thousand match. The last time she needed blood it took 12 hours to locate and transport suitable blood.
If you read the literature on survival rates for people with very low hemoglobin level, it's all based on post operative recovery (or otherwise) of Jehovah Witnesses