UK Blood Donors Told They May Carry Human Mad Cow Disease

[Mike]

Reader 2

The United States has a number of measures in place to protect blood safety, but, he said, it is not possible to remove every blood risk by donor deferral.

"If we attempt to defer every donor who spent time in the UK from 1980 to 1996, the bood donor loss would be enormous," he said.

What about the urine test that the Prion Surveillance Center employs?
Are we worried about quantity or quality?
I thought their was a photophoretic screening that could eliminate prions in blood?