Virus in the frame for prion diseases. Viruses, not prions, may be at the root of diseases such as scrapie, BSE and variant Creutzfeldt-Jakob disease, researchers say. [News Source]

Ninth case of mad cow disease confirmed in Canada (Iowa Farmer) OTTAWA n The United States says it will dispatch a specialist to help investigate Canada's latest case of mad cow, but that Washington did not expect the new finding to hurt trade between the two countries. [News Source]

9th case of mad cow disease confirmed in Canada (AG Weekly) OTTAWA (AP) — The United States said Thursday it would dispatch a specialist to help investigate Canada’s latest case of mad cow, but that Washington did not expect the new finding to hurt trade between the two countries. [News Source]