TSE Natural Hosts Reported Human Health Risk
Scrapie Sheep, Goats None Reported
Bovine Spongiform Encephalopathy (BSE) Cattle, transmits readily across species barriers High – Consumption of affected material
Chronic Wasting Disease (CWD) Wild and Farmed Deer, Elk, Moose None Reported
Transmissible Mink Encephalopathy (TME) Farmed Mink None Reported
Variant CreutzfeldJakob Disease (vCJD) Human (derived from BSE) High – transmission via blood products, Nosocomial, Consumption of BSE-contaminated food products
Creutzfeld-Jakob Disease Humans Sporadic, Genetic, Iatrogenic. High-transmission by exposure to contaminated brain material, Nosocomial.
Kuru Human Transmitted by ritualistic cannibalism
Fatal Familial Insomnia Human Autosomal Dominant,Pathogenic mutation with high penetrance
Gerstmann-Straussler- Sheinker disease Human Autosomal Dominant,Pathogenic mutation with high penetrance
Table 1: Known Transmissible Spongiform Encephalopathies and their Natural Hosts.