Using expert judgments to improve chronic wasting disease risk management in Canada

T Oraby, M G Tyshenko, S Darshan, M Westphal, M Croteau, Willy Aspinall, S ElSaadany, D Krewski, N Cashman

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)
126 Downloads (Pure)


Chronic wasting disease (CWD) is a neurodegenerative, protein misfolding disease affecting cervids in North America in epidemic proportions. While the existence of CWD has been known for more than 40 years, risk management efforts to date have not been able to curtail the spread of this condition. An expert elicitation exercise was carried out in May 2011 to obtain the views of international experts on both the etiology of CWD and possible CWD risk management strategies. This study presents the results of the following three components of the elicitation exercise: (1) expert views of the most likely scenarios for the evolution of the CWD among cervid populations in Canada, (2) ranking analyses of the importance of direct and indirect transmission routes, and (3) rating analyses of CWD control measures in farmed and wild cervids. The implications of these findings for the development of CWD risk management strategies are described in a Canadian context.
Original languageEnglish
Pages (from-to)713-728
Number of pages16
JournalJournal of Toxicology and Environmental Health, Part A: Current Issues
Issue number16-17
Early online date24 Aug 2016
Publication statusPublished - Sep 2016

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