Not necessary: Type ab is the rarest blood type. It is the only "universal recipient" meaning those with type ab can accept type o, type a, type b and type ab without reactions. The only people who type ab's can donate to are their fellow type ab's, but if you are type ab you can accept anyone's blood!
Answered 8/29/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
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A doctor has provided 1 answer
6 doctors weighed in across 2 answers
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