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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. As an O Positive donor you are incredibly important to maintaining the blood supply in our community. O Positive is the most common blood type and therefore needed by so many patients. Annually, more than 120,000 units of blood, platelets and plasma are required to meet the needs of the hospitals we serve, and your blood type is crucial to maintaining an adequate supply.