US confirms first case of mad cow in 6 years
02:32The U.S. government has confirmed the first case of mad cow disease in six years, but the government is stressing there is no threat to human health. NBC’s Robert Bazell reports.
The U.S. government has confirmed the first case of mad cow disease in six years, but the government is stressing there is no threat to human health. NBC’s Robert Bazell reports.
