One version of this rare brain disorder is better known "Mad Cow" and can be contracted by eating contaminated beef.

这种罕见的大脑功能紊乱中的一种，被人们称为“疯牛病”，是因为吃了受到污染的牛肉而感染的。

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There has never been a documented human case of such brain disease linked to consumption of U.S. beef.

到目前为止，还没有出现人类因为食用美国牛肉感染疯牛病的案例。

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Seoul banned the import of American beef in 2003, after a single U.S. animal was found to have the brain disease commonly known as "mad cow disease."

2003年，在美国发现了一头牛患有疯牛病之后，韩国宣布禁止进口美国牛肉。

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The European Union imposed a worldwide embargo on British beef exports in 1996 following evidence that infected meat caused a fatal brain-wasting disease in humans.

BBC: Renewed British mad cow disease warning

France hopes to test 20, 000 animals every week for the deadly, brain-wasting illness, which scientists believe can be passed on to humans via infected beef.

CNN: Beef sales slump after EU BSE scare