Protecting Cows—and People—from a Deadly Disease

Mad cow disease has appeared in the United States, but scientists say it can be contained easily.

By Sorcha McDonagh, 00:00 AM January 12, 2004

Chomping at a juicy hamburger might be a little less tempting than it once seemed. It took just one case of mad cow disease, discovered in December, to make several countries ban imports of U.S. beef. Officials in Japan and elsewhere are afraid that people may eat infected meat and develop the human version of mad cow disease.

Mad cow disease gets its name because cattle infected with it behave strangely. They seem nervous and distressed. They can't stand or walk properly.

Mad cow disease causes cattle to behave strangely.

Mad cow disease caus...

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