About the Authors

Gordon B. Mitchell

Affiliation National and OIE Reference Laboratory for Scrapie and CWD, Canadian Food Inspection Agency, Ottawa Laboratory – Fallowfield, Ottawa, Ontario, Canada

Christina J. Sigurdson

Affiliations Departments of Pathology and Medicine, University of California, San Diego, La Jolla, California, United States of America, Department of Pathology, Microbiology and Immunology, University of California, Davis, California, United States of America

Katherine I. O’Rourke

Affiliation Animal Disease Research Unit, Agricultural Research Service, United States Department of Agriculture, Pullman, Washington, United States of America

James Algire

Affiliation National and OIE Reference Laboratory for Scrapie and CWD, Canadian Food Inspection Agency, Ottawa Laboratory – Fallowfield, Ottawa, Ontario, Canada

Noel P. Harrington

Affiliation National and OIE Reference Laboratory for Scrapie and CWD, Canadian Food Inspection Agency, Ottawa Laboratory – Fallowfield, Ottawa, Ontario, Canada

Ines Walther

Affiliation National and OIE Reference Laboratory for Scrapie and CWD, Canadian Food Inspection Agency, Ottawa Laboratory – Fallowfield, Ottawa, Ontario, Canada

Terry R. Spraker

Affiliation Veterinary Diagnostic Laboratory, Colorado State University, Fort Collins, Colorado, United States of America

Aru Balachandran

Aru.Balachandran@inspection.gc.ca

Affiliation National and OIE Reference Laboratory for Scrapie and CWD, Canadian Food Inspection Agency, Ottawa Laboratory – Fallowfield, Ottawa, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AB GBM. Performed the experiments: GBM CJS KIO JA NPH IW TRS. Analyzed the data: GBM CJS KIO NPH IW TRS AB. Contributed reagents/materials/analysis tools: CJS KIO TRS AB. Wrote the paper: GBM CJS AB.