Evaluating the effectiveness of the response to equine influenza in the Australian outbreak and the potential role of early vaccination

Objective  To use modelling and epidemiological analyses to assess the effectiveness of control strategies employed during the equine influenza outbreak and determine if early vaccination might have had a beneficial effect. Methods  Transmission of infection was modelled using stochastic, spatial si...

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Bibliographic Details
Published in:Australian veterinary journal 2011-07, Vol.89 (s1), p.143-145
Main Authors: Garner, MG, Cowled, B, East, IJ, Moloney, BJ, Kung, N
Format: Article
Language:English
Subjects:
Animals
biosecurity
Computer Simulation
Disease Outbreaks - prevention & control
Disease Outbreaks - veterinary
emergency animal disease
epidemiology
equine influenza
Horse Diseases - epidemiology
Horse Diseases - immunology
Horse Diseases - prevention & control
Horse Diseases - transmission
Horse Diseases - virology
Horses
Influenza A Virus, H3N8 Subtype - immunology
Influenza Vaccines - administration & dosage
Influenza Vaccines - immunology
New South Wales - epidemiology
Orthomyxoviridae Infections - epidemiology
Orthomyxoviridae Infections - immunology
Orthomyxoviridae Infections - prevention & control
Orthomyxoviridae Infections - transmission
Orthomyxoviridae Infections - veterinary
Queensland - epidemiology
Stochastic Processes
vaccination
Vaccination - standards
Vaccination - veterinary
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Summary:Objective  To use modelling and epidemiological analyses to assess the effectiveness of control strategies employed during the equine influenza outbreak and determine if early vaccination might have had a beneficial effect. Methods  Transmission of infection was modelled using stochastic, spatial simulation, based on data from 16 regions in New South Wales and Queensland over the first month of the outbreak. Results  The model accurately represented the spread of infection in both space and time and showed that vaccination strategies would have reduced new infections by ∼60% and reduced the size of the infected area by 8–9%, compared to the non‐vaccination baseline. Conclusion  When used in conjunction with biosecurity measures and movement controls, early vaccination could play an important role in the containment and eradication of equine influenza.
ISSN:0005-0423
1751-0813
DOI:10.1111/j.1751-0813.2011.00769.x