Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Prions | Mad Cow Disease & Variant Creutzfeldt-Jakob Disease (vCJD). and this video is uploaded by Catalyst University at 2019-03-20T20:13:42-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [0-iMVUxHuqM]