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Type: Journal article
Title: An economic analysis of a contingency model utilising vaccination for the control of equine influenza in a non-endemic country
Author: Rosanowski, S.
Carpenter, T.
Adamson, D.C.
Rogers, C.
Pearce, P.
Burns, M.
Cogger, N.
Citation: PLoS One, 2019; 14(1):e0210885-1-e0210885-18
Publisher: Public Library of Science (PLoS)
Issue Date: 2019
ISSN: 1932-6203
Statement of
Sarah M. Rosanowski, Tim E. Carpenter, David Adamson, Chris W. Rogers, Patricia Pearce, Martin Burns, Naomi Cogger
Abstract: Background: Equine influenza (EI) is an infectious respiratory disease of horses that has never been reported in New Zealand (NZ). However, the 2007 EI outbreak in Australia, previously EI free, spurred the NZ government and stakeholders into evaluating alternative EI control strategies in order to economically justify any future decision to eradicate or manage EI. To build on the policy debate, this paper presents an epinomic (epidemiologic and economic) modelling approach to evaluate alternative control strategies. An epidemiologic model to determine how alternative EI control strategies influence the distribution of EI. Model results were then input into a cost-benefit analysis framework, to identify the return and feasibility of alternative EI eradication strategies in NZ. Methods: The article explores nine alternative eradication scenarios and two baseline strategies. The alternative scenarios consisted of three vaccination strategies (suppressive, protective or targeted) starting at three time points to reflect the commercial breeding-cycle. These alternatives were compared to two breeding-cycle adjusted baselines: movement restriction in the breeding season (August to January) or non-breeding season (February to July). The economic loss parameters were incursion response, impact to the commercial racing industry (breeding, sales and racing), horse morbidity and mortality, and compensation to industry participants. Results and conclusions: Results suggest that the economic viability of the EI eradication programme is dependent on when within the breeding-cycle the EI outbreak occurs. If an outbreak were to occur, the return on each dollar invested for protective or suppressive vaccination strategies would be between NZD$3.67 to NZD$4.89 and between NZD$3.08 to NZD$3.50 in the breeding and non-breeding seasons, respectively. Therefore, protective or suppressive vaccination strategies could be prioritised, regardless of season. As multiple industry stakeholders benefit from these strategies, the study will enable policy development and to better formulate a user-pays eradication programme.
Keywords: Animals
Orthomyxoviridae Infections
Horse Diseases
Models, Economic
Disease Outbreaks
Cost-Benefit Analysis
New Zealand
Description: Published: January 24, 2019
Rights: Copyright: © 2019 Rosanowski et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
DOI: 10.1371/journal.pone.0210885
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