Report setting out the exclusion criteria in relation to blood donation Members decided that in view of the very small risk and the problems in identifying and deferring donors that Ministers should be recommended not to introduce such an exclusion criterion Ministers accepted this recommendation the relevant minute is appended as appendix 1 The report states that the papers from all various bodies accept that transmission of CJD by blood or plasma is still only theoretical and that there are no scientific reports of transmission of CJD by this route