A case of bad blood. Transfusion risks are low, but here's how to make them even lower.
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D001771:Blood Banks / Q000592:standards*; D001804:Blood Transfusion, Autologous / Q000191:economics; D003428:Cross Infection / Q000517:prevention & control*; D015658:HIV Infections / Q000209:etiology; D006505:Hepatitis / Q000209:etiology; D006801:Humans; D012011:Red Cross; D065227:Transfusion Reaction; D014481:United States