Agent Risk per Transfusion
HIV 1:2,135,000
HCV 1:2,000,000
HBV 1:205,000
HTLV I-II 1:641,000
West Nile Virus, T. cruzi (Chagas' Disease), Babesiosis, malaria, B. Burgdorferi (Lyme Disease), leischmania, CJD (Mad Cow Disease) ?? but very low
Getting struck by lightning in any given year 1:500,000
Getting struck by lightning in a lifetime (80 years) 1:6250
Winning the Meg-Millions Jackpot 1:175,711,536