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91色情片

US ‘rediscovers’ its second mad cow

A sample retest confirms BSE in a cow thought to have been free of the disease in November 2004 鈥� it could be the US's first native born case

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Prion antibodies open way for vCJD vaccine

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British goat may have harboured BSE

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First human case of mad cow disease in Japan

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Goat found infected with BSE

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Inflamed organs could act as prion incubators

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Inflammation lets prions invade ‘safe’ tissue

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Canada discovers its third mad cow

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Canada confirms its second case of BSE

Earth

Environmental information laws slipped quietly into place

Introduced with very little fanfare, new UK regulations mean more public access to key information

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Humans may get different forms of BSE

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American nightmare

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Out of sight, out of mind?

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When proteins attack