1. 1School of Veterinary Medicine, Faculty of Medical Sciences, University of the West Indies, St. Augustine, Trinidad and Tobago
2. 2Institute of Public Health Studies, College of Veterinary Medicine, Nursing and Allied Health, Tuskegee University, Tuskegee, Alabama 36088, USA
3. 3Poultry Surveillance Unit, Ministry of Food Production, Port of Spain, Trinidad and Tobago
4. 4Ministry of Agriculture, Forestry and Fisheries, Ministerial Complex, Tanteen, St. George's Grenada
5. 5Veterinary and Livestock Services, Ministry of Agriculture, Food Production, Rural Development and Fisheries, Castries, St. Lucia
6. 6Department of Public Health and Preventive Medicine, School of Medicine, St. George's University, University Centre, Grenada, West Indies