Nairobi Sheep DiseaseNairobi sheep disease virusNairovirusPrionsPrion DiseasesSheepPrPC ProteinsSheep DiseasesPrPSc ProteinsScrapieCreutzfeldt-Jakob SyndromeEndopeptidase KEncephalopathy, Bovine SpongiformSheep, DomesticGerstmann-Straussler-Scheinker DiseaseWasting Disease, ChronicAmyloidPrP 27-30 ProteinDeerProtein FoldingMesocricetus