eli5: What happens when you get a blood transfusion with the wrong/incompatible blood type?
In: Biology
The recipients immune system attacks substances in the donor blood, causing a transfusion reaction. There are six major types of transfusion reactions, which depend on the immune cells involved and their attack target in the donor blood. Depending on the type of transfusion reaction, symptoms vary from mild to life threatening, and treatment varies as well.
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