'Surveillance Systems Work' in Mad Cow Case

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'Surveillance Systems Work' in Mad Cow Case by AP , posted Apr 25 2012 8:23AM
<VIDEO> The first new case of mad cow disease in the U.S. since 2006 has been discovered in a dairy cow in California, but health authorities said Tuesday the animal never was a threat to the nation's food supply. Tags : Topics : Human Interest Social : Human Interest Locations : California Back To Blog

04/25/2012 8:22AM

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