If someone has a damaged/destroyed immune system, can blood transfusions help fight infections?
In: Biology
A FULL blood transfusion would be excessive as the host body does not need red blood cells and excessive red blood cells can lead to its own issues.
A blood plasma infusion is used. This separates the red blood cells and a few other things out. What is injected is white cells and platelets. These can help the body fight diseases, but it is INCREDIBLY taxing on the body and is only used for extreme cases, like very advanced AIDS or a disease class called Common Variable Immune Deficiency (CVID), in which the body does not make or makes very dysfunctional white cells.
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