Abstract
Several countries have recently reassessed the international risk of variant Creutzfeldt-Jakob disease (vCJD) transmission through transfusion of blood and blood components (red blood cells, platelets and plasma) and relaxed donor deferrals based on geographic and transfusion exposure in countries formerly considered to be high risk, such as the UK. In this regard, the European Blood Alliance organised a consensus meeting of experts and involved professionals to discuss current knowledge, epidemiological data, prevention and various methods for assessing the risk of transfusion-transmitted vCJD, as well as to develop an appropriate position on possible approaches to address these challenges in Europe. Participants reached a consensus that the current risk of transfusion-transmitted vCJD associated with blood donors who either travelled to or received transfusions in the UK during the vCJD outbreak is minimal. In addressing such risks, it would be pragmatic that assessments and guidelines are developed by European expert bodies, rather than individual assessments by Member States. Regardless of the approach used, European or national, a qualitative risk assessment based on a review and analysis of available data, considering all the uncertainties and experiences of other countries, would provide crucial information to reassess blood donation strategies regarding the transfusion-associated vCJD risk.
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