date:Apr 26, 2012
cine at Iowa State University. Scientists don't know the cause, he said.
Mad-cow disease, also called bovine spongiform encephalopathy, can cause a rare brain disease in people who eat infected cattle products. The human form of the disease has been linked to more than 100 deaths, mostly in Britain and Europe.
In Japan, Chief Cabinet Secretary Osamu Fujimura said Wednesday that the nation believes there is no need to take further steps against U.S. beef imports, as the cow infected with the dise