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The North American Animal Disease Spread Model: a simulation model to assist decision making in evaluating animal disease incursions |
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| Authors: | Harvey Neil Reeves Aaron Schoenbaum Mark A Zagmutt-Vergara Francisco J Dubé Caroline Hill Ashley E Corso Barbara A McNab W Bruce Cartwright Claudia I Salman Mo D |
| Institution: | aDepartment of Computing and Information Science, University of Guelph, Guelph, Ontario N1G 2W1, Canada bAnimal Population Health Institute, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1681, USA cUnited States Department of Agriculture, Animal Plant Health Inspection Service, Veterinary Services, Western Regional Office, Mail Stop 3E13, 2150 Centre Avenue, Building B, Fort Collins, CO 80526-8117, USA dCanadian Food Inspection Agency, 59 Camelot, Ottawa, Ontario K1A 0Y9, Canada eUnited States Department of Agriculture, Animal Plant Health Inspection Service, Veterinary Services, Centers for Epidemiology and Animal Health, Mail Stop 2W4, 2150 Centre Avenue, Building B, Fort Collins, CO 80526-8117, USA fOntario Ministry of Agriculture Food & Rural Affairs, 1 Stone Road, Guelph, Ontario N1G 4Y2, Canada gUnited States Department of Agriculture, Animal Plant Health Inspection Service, International Services, 4700 River Road, Unit 65, Riverdale, MD 20740, USA |
| Abstract: | The North American Animal Disease Spread Model is a stochastic, spatial, state-transition simulation model for the spread of highly contagious diseases of animals. It was developed with broad international support to assist policy development and decision making involving disease incursions. User-established parameters define model behavior in terms of disease progression; disease spread by animal-to-animal contact, contact with contaminated personnel or equipment, and airborne dissemination; and the implementation of control measures such as destruction and vaccination. Resources available to implement disease control strategies, as well as the direct costs associated with these strategies, are taken into consideration. The model records a wide variety of measures of the extent of simulated outbreaks and other characteristics. The graphical interface and output visualization features also make it a useful tool for training and preparedness exercises. This model is now being used to evaluate outbreak scenarios and potential control strategies for several economically important exotic animal diseases in the United States, Canada, and elsewhere. NAADSM is freely available via the Internet at http://www.naadsm.org. |
| Keywords: | Computer simulation Herd-level Foot-and-mouth disease (FMD) Stochastic Spatial State-transition model Animal disease model |
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