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Vet. Sci. 2016, 3(1), 6; doi:10.3390/vetsci3010006

An Alternative Vaccination Approach for The Prevention of Highly Pathogenic Avian Influenza Subtype H5N1 in The Red River Delta, Vietnam —A Geospatial-Based Cost-Effectiveness Analysis

1
Department of Natural Resources and Environmental Management, University of Hawaii at Manoa, 1910 East-West Road, Honolulu, HI 96822, USA
2
East-West Center, 1601 East-West Road, Honolulu, HI 96848, USA
*
Author to whom correspondence should be addressed.
Received: 29 October 2015 / Accepted: 3 February 2016 / Published: 6 February 2016
(This article belongs to the Special Issue Feature Papers)
View Full-Text   |   Download PDF [3187 KB, uploaded 15 February 2016]   |  

Abstract

This study addresses the tradeoff between Vietnam’s national poultry vaccination program, which implemented an annual two-round HPAI H5N1 vaccination program for the entire geographical area of the Red River Delta during the period from 2005–2010, and an alternative vaccination program which would involve vaccination for every production cycle at the recommended poultry age in high risk areas within the Delta. The ex ante analysis framework was applied to identify the location of areas with high probability of HPAI H5N1 occurrence for the alternative vaccination program by using boosted regression trees (BRT) models, followed by weighted overlay operations. Cost-effectiveness of the vaccination programs was then estimated to measure the tradeoff between the past national poultry vaccination program and the alternative vaccination program. Ex ante analysis showed that the focus areas for the alternative vaccination program included 1137 communes, corresponding to 50.6% of total communes in the Delta, and located primarily in the coastal areas to the east and south of Hanoi. The cost-effectiveness analysis suggested that the alternative vaccination program would have been more successful in reducing the rate of disease occurrence and the total cost of vaccinations, as compared to the national poultry vaccination program. View Full-Text
Keywords: HPAI H5N1; alternative vaccination program; national poultry vaccination program; Red River Delta HPAI H5N1; alternative vaccination program; national poultry vaccination program; Red River Delta
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tran, C.C.; Yanagida, J.F.; Saksena, S.; Fox, J. An Alternative Vaccination Approach for The Prevention of Highly Pathogenic Avian Influenza Subtype H5N1 in The Red River Delta, Vietnam —A Geospatial-Based Cost-Effectiveness Analysis. Vet. Sci. 2016, 3, 6.

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