United States
Here's a look at Mad Cow Disease, a transmissible fatal brain disease found in cattle. Facts: It has been linked to a fatal brain disease in humans called variant Creutzfeldt-Jakob disease (vCJD). The official name of mad cow disease is bovine spongiform encephalopathy (BSE) . BSE lesions are characterized by sponge-like changes seen under an ordinary microscope. Mad cow disease is a fatal disease that slowly destroys the brain and spinal cord (central nervous system) in cattle. It also is known as bovine spongiform encephalopathy, or BSE. People cannot get mad cow disease. But in rare cases they may get a human form of mad cow disease called variant Creutzfeldt-Jakob disease (vCJD), which is fatal. vCJD, which first appeared in England in 1996, is a brain disorder linked to consuming meat from cattle infected by bovine spongiform encephalopathy (BSE), informally known as mad cow disease. At first vCJD causes psychiatric symptoms such as depression and anxiety, and neurological symptoms such as difficulty walking. Mad Cow Disease (Spongiform Encephalopathy or BSE). Mad cow disease or bovine spongiform encephalopathy (BSE), is a disease was first found in cattle. It's related to a disease in humans called variant Creutzfeldt-Jakob disease (vCJD). Both disorders are universally fatal brain diseases caused by a prion. This is a protein particle that lacks DNA (nucleic acid). December 23, 2003 - The first case of mad cow disease in the United States is confirmed by the U.S. Department of Agriculture. The infected cow is discovered on a farm in Washington State in early December. Japan, China and South Korea stop the importation of U.S. beef.
http://www.cnn.com/2013/07/02/health/mad-cow-disease-fast-facts/index.html http://www.webmd.com/a-to-z-guides/mad-cow-disease-overview http://news.nationalgeographic.com/news/2015/02/150215-mad-cow-disease-vcjd-blood-supply-health/ http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=85&ContentID=P01444 http://www.cnn.com/2013/07/02/health/mad-cow-disease-fast-facts/index.html
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