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LONDON (AP) _ A 26-year-old man diagnosed three months ago with the human form of mad cow disease has died, his family said Saturday.

Christopher Hargreaves died Jan. 17 of variant Creutzfeldt-Jakob Disease, or CJD.

More than 100 people have died from the brain-wasting illness, most of them in Britain.

Christopher's father, Derrick Hargreaves, said his son began showing symptoms of depression in January 2001 and was diagnosed with CJD in October.

Variant CJD appears to be contracted by eating meat tainted by mad cow disease, or bovine spongiform encephalopathy. BSE spread in Britain after farmers added ground up, infected animal carcasses to cattle feed.

Derrick Hargreaves said the disease should never have entered the human food chain.

``I am very angry _ it's a completely preventable disease and there is no reason why anyone should die from it,'' he said.

``Various administrations refused to accept there was a problem. They swept it under the carpet and tried to keep the population calm by saying there was no problem.

``They kept telling us it could not be transferred from sheep to cows and from cows to humans, but reports have been coming in all the time. It has not gone away.''