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From New Scientist - Latest Headlines:
A new filtering device can remove dangerous "mad cow disease" proteins from blood. Scientists say the device could prevent the spread of deadly prion diseases via blood transfusions.
At least three people have died in the UK after receiving blood contaminated with variant Creutzfeldt Jakob disease (vCJD) - the human equivalent of mad cow disease. There is currently no test available to screen blood for the misfolded "prion" proteins that cause the illness.
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