Absence of evidence of transfusion transmission risk of Creutzfeldt‐Jakob disease in the United States: Results froma 28‐year lookback study

For many years, there has been concern about the risk of transmission of classic forms of Creutzfeldt-Jakob disease (CJD) by blood transfusion, particularly after the recognition of such transmission of variant CJD (vCJD). We report on a 28-year lookback study of recipients of blood from donors who subsequently developed CJD.