Mad Cow Disease Fast Facts

A cow is silhouetted on a pasture near the Trans-Canada Highway north of Calgary, Alberta on February 13,2015. The Canadian Food Inspection Agency (CFIA) confirmed February 13, 2015, that a case of mad cow disease has been found in Alberta, Canada .

(CNN)Here's a look at Mad Cow Disease, a fatal brain disease found in cattle.


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.