Article by Y Ayob et al in Transfusion Medicine 1994 Vol 4 titled Risk of hepatitis C in patients who received blood from donors subsequently shown to be carriers of hepatitis C virus Journal article examines the results of a retrospective study undertaken to identify recipients of blood from donors subsequently shown to be positive for hepatitis C virus Figure 1 depicts the Plan of Investigation to identify recipients who may be infected Figure 2 depicts the results of the HCV lookback which shows nine recipients alive and all HCV positive Table 1 depicts HCV markers in donors and their recipients