Journal
VETERINARY RESEARCH COMMUNICATIONS
Volume 32, Issue 8, Pages 627-634Publisher
SPRINGER
DOI: 10.1007/s11259-008-9064-8
Keywords
Influenza; Influenza A virus; H5N1 subtype; Poultry; Disease outbreaks; Risk factors; Romania
Categories
Funding
- United States Department of Agriculture Foreign Agriculture Service
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The association between highly pathogenic avian influenza (HPAI) subtype H5N1 outbreak risk in poultry in 161 Romanian villages (October 2005 to June 2006) and environmental and anthropogenic factors was investigated. Village outbreak risk was associated with a village being < 5 km from a major road (odds ratio [OR] 5.27, 95% confidence interval [CI] 1.21-22.9) or a river/stream (OR 1.97, 95% CI 1.06-3.72). Outbreak risk in the first part of the epidemic was associated with a village being < 5 km from a major road (OR 3.31, 95% CI 1.10-9.98) or a regularly flooded land area (OR 5.08, 95% CI 1.08-23.9); whereas outbreak risk in the second part of the epidemic was associated with a village being < 5 km from a river/stream (OR 5.5, 95% CI 1.69-18.9). Results suggest that both environmental and anthropogenic factors influence the risk of HPAI subtype H5N1 outbreaks in village poultry populations.
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