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Only 2% of the world's population has type B negative blood. The only blood type that is rarer is AB negative.

It is a very rare blood type and very needed to help others.

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11y ago

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What is the second rarest blood type?

not sure but it may be AB -ve


What is the third rarest blood type?

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Is there such a thing as ABO blood type?

In addition to type A, B, and O, there is type AB. This blood type is the rarest of the four.


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The rarest type of blood is O. people with O type blood can donate blood to anybody and there are very few people that have this blood type. It is extremely rare.


What is the rarest blood type?

It really does depend on the population in the U.S. but it has been stated that the rarest blood type is AB-. This is according to the American Red Cross


Is AB positive the rarest blood type?

No it isn't. The rarest is AB negative.


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