Sep 2003 /Blood Transfusion Services / Risks of Transfusion Perspective: emerging infections, transfusion safety, and epidemiology. Dodd RY N Engl J Med 2003;349:1205-1206. NATA Rating : Review by : NATA ReviewQuite nice comment on the article by Pealer and colleagues, and on the way West Nile Virus was handled in the US. – Volker Kretschmer blood safety, emerging pathogens, risks, viral transmission Share Post: US NAT yield: where are we after 2 years? A case of fatal West Nile virus meningoencephalitis associated with receipt of blood transfusions after open heart surgery.