Scrapie Agent (Strain 263K) Can Transmit Disease via the Oral Route after Persistence in Soil over Years Seidel, Bjoern ; Thomzig, Achim ; Buschmann, Anne ; Groschup, Martin H. ; Peters, Rainer ; Beekes, Michael ; Terytze, Konstantin Abstract Publication: PLoS ONE Pub Date: May 2007 DOI: 10.1371/journal.pone.0000435 Bibcode: 2007PLoSO...2..435S