Transmission of scrapie and sheep-passaged bovine spongiform encephalopathy prions to transgenic mice expressing elk prion protein

¹ Institute for Neurodegenerative Diseases, University of California, San Francisco, CA 94143-0518, USA
² Department of Neurology, University of California, San Francisco, CA, USA
³ Colorado Division of Wildlife, Wildlife Research Center, Fort Collins, CO, USA
⁴ Department of Pathology, University of California, San Francisco, CA, USA
⁵ Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA