Prions cause Creutzfeldt-Jakob disease (or “mad cow disease” in cattle) by rearranging the structure of normal proteins in their own image.

朊病毒通过按照自身结构重建正常蛋白结构来引发雅克氏病（或在牛身上引发“疯牛病”）。

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The fact that no cases of Creutzfeldt Jakob disease have been linked to eating farmed fish does not assure that feeding rendered cow parts to fish is safe.

事实上没有一个克雅氏病案例与食用养殖鱼类有关，但并不能保证牛的副产品饲养鱼是安全的。

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Prions cause a number of fatal diseases such as mad cow disease in cattle, scrapie in sheep and kuru and Creutzfeldt-Jakob disease (CJD) in humans.

朊病毒是一种畸形的蛋白质，导致一些致命的疾病：如疯牛病，羊痒病，人类库鲁和克雅氏病(CJD, vCJD)。

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Eating contaminated meat or some other animal products from cattle that have bovine spongiform encephalopathy is thought to be the cause of the fatal brain disease in humans that is called variant Creutzfeldt-Jakob disease.

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The WHO expressed concern about what it called "exposure worldwide" to mad cow disease and its fatal human form, new variant Creutzfeldt-Jakob Disease (vCJD).

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Australia barred British beef and by-products in 1996 as concerns mounted that mad cow disease could be linked to the fatal human condition, new variant Creutzfeldt-Jakob Disease (vCJD).

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