<prompt> All of the following viruses may be transmitted by blood transfusion Except:Parvovirus B-19Hepatitis GEpstein Bar virusCytomegalovirus  <response>: Answer is None or C None EBV Parvovirus B-I9, Hepatitis G, Cytomegalovirus and Epstein Bar virus may all be transmitted by blood transfusion. Transfusion transmitted EBV is however a rare event and may hence be selected as the single best answer by exclusion. EBV and Blood Transfusion Morbidity following EBV Transfusion is Rare EBV infection may also follow blood transfusion or marrow transfusion but these are rare events-Ananthanarayan 8th131 Although transfusion associated EBV is rare, it is neveheless well documented 