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Is both the blood type O(negative and positive)universal blood donors?

April 26, 2017Biology blood donors Mathematics negative positive type universal

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Is both the blood type O(negative and positive)universal blood donors?

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Yes, both are condsidered universal donors. O neg is preferred if you don’t know the recipient’s blood type, because giving an Rh positive unit to an Rh negative recipient will lead to sensitization against the D antigen, something we like to avoid if possible.