Who is a universal blood donor and a universal blood recipient?
A universal blood donor is someone who has an O blood type and is Rh negative.They have no A or B antigens or Rh factor on their red blood cells. Their red blood cells can be given to a patient with any ABO or Rh blood type, because there are no A, B, or Rh factor antigens on the donor’s red blood cells for the antibodies of a patient with a different blood type to react with. . A universal recipient is a person who has an AB blood type and is Rh positive. They can receive red blood cells of any ABO or Rh type with no risk of a serious hemolytic transfusion reaction due to ABO or Rh incompatibility.