Knowing your blood type is important because if you ever need a blood transfusion, you must receive compatible blood or you could become very sick. Why should you care about your blood type? Really, every blood type is special to the patients waiting in the hospital for a lifesaving blood transfusion! O-negative blood donors, also relatively rare, provide the most in-demand blood type, used in emergency and other situations where a patient’s blood type is unknown.Īs you can see though, A-negative and B-negative donors are rare too, and usually the best match for patients who are respectively, A-negative or B-negative. Plasma transfusions are especially helpful for burn victims and trauma patients who experience major blood loss.Īlso, O-negative is the universal red cell donor, which means O-negative red blood cells can be transfused into people with any blood type. So, if your blood type is AB-negative, you are very unique! Along with having the rarest blood type in the U.S., AB-negative (along with AB-positive) donors are special because their plasma can be transfused into a patient of any blood type. The total distribution of blood types in the U.S., according to the AABB is as follows: B-negative makes up only 2 percent of our population, followed by AB-positive at 4%. is AB-negative, clocking in as the blood type for only 1% of the population. There is a small percentage of the population who are unique because they have a blood type that not many others have. When it comes to the life-sustaining fluid coursing through your veins, yes, there are rare blood types, and all of the above definitions apply. After all, how can a blood type be rare, and what exactly is the rarest blood type, if there even is one? You may have heard the phrase “most rare blood type” and wondered what exactly that means. Other dictionary definitions of “rare” include “seldom occurring, scarce, unique, exceptional.” People with this blood type have a complete absence of any of the Rh antigens.What usually comes to mind when you think about the meaning of “rare”? Probably something that is uncommon or special, like a rare gift, a rare occasion or a rare gem. One of the rarest blood types in the world is Rhnull, sometimes referred to as ‘golden blood’. The oldest group is either group A or one of the forms of group O. A transfusion with the usage of any other blood type can initiate an immune response. Having the presence of B antigen and the absence of Rh antigen, B negative blood type can only receive B- and O. Is B negative blood good?Īn individual with a B negative blood type has antigen B but with no Rh antigen on the blood.
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East Asian communities have 93-97% Rh+ blood. Subsaharan African populations have a 97-99% Rh+ factor. The majority of people in the world and across various ethnicities have Rh+ blood type. As B negative is one of the rarest blood types, it is hard to find new donors and to ensure we always collect enough blood.īecause blood types are genetic, they are inherited from the parents, blood types have different racial and ethnic differences. Why is B negative blood important? B negative donors are immensely important to our lifesaving work.
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What is so special about B negative blood?