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Best Answer: O positive ok for transfusing to all positive types. O negative is a unversal to all types. So you cannot donate blood for an O negative if you are O positive. If you just want to donate plasma then you can donate, just not whole blood.
O Positive Blood. O positive blood is a commonly found blood group type, in individuals across the globe. O blood group is a universal donor and can be given to people of other blood groups as well. This article provides information on the different blood group types and some facts about O positive blood group.