What's Rarest Blood Type?
In the U. S. , the Blood Type Ab, Rh Negative Rh Negative Rh Factor, Also Called Rhesus Factor, Is a Type of Protein Found on the Outside of Red Blood Cells...
In the U.S., the blood type AB,
What are the 3 rarest blood types?
- AB-negative (. 6 percent)
- B-negative (1.5 percent)
- AB-positive (3.4 percent)
- A-negative (6.3 percent)
- O-negative (6.6 percent)
- B-positive (8.5 percent)
- A-positive (35.7 percent)
- O-positive (37.4 percent)
Why is O negative so rare?
People with O negative blood often wonder how rare their blood is since it is always in demand by hospitals and blood centers. ... However, the rarest blood type in the world is Rh-null, which is so rare most of us have never heard of it. Fewer than 50 people in the entire world population are known to have Rh-null blood.
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