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a blood donors arm during plasmapheresis in a hospital, and the needle penetrated the skin of a mans arm. blood donor for blood transfusion to the hospital with a needle in his hand. A man gives antibodies to Covid

A blood donors arm during plasmapheresis in a hospital, and the needle penetrated the skin of a mans arm. blood donor for blood transfusion to the hospital with a needle in his hand. A man gives antibodies to Covid