"A British man has died from variant CJD after receiving a blood transfusion seven years earlier from a donor who also later died from the disease. The UK secretary of state for health announced the case in an emergency statement to parliament on Wednesday.
The case may be the first in the world where the human form of BSE - mad cow disease - has been transmitted via a blood transfusion. But John Reid told the House of Commons: "This is a possibility not a proven causal connection.""
http://www.newscientist.com/news/news.jsp?id=ns99994498Wonderful, another incurable, lethal blood-borne disease to worry about.