The Factor IX product supplied by Scottish National Blood Transfusion Service (SNBTS) for use by the NHS in Scotland after May 1985 was heat-treated to 80ยบ for 72 hours, which protected against hepatitis B, hepatitis C and HIV.In October 1985 SNBTS formally recalled all non-heat-treated Factor IX product, which had been supplied prior to May 1985, when sufficient stocks of the heat treated product were available to meet...