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Volume 23, Number 9—September 2017


Risk for Low Pathogenicity Avian Influenza Virus on Poultry Farms, the Netherlands, 2007–2013

Ruth Bouwstra12, Jose L. Gonzales2, Sjaak de Wit, Julia Stahl, Ron A.M. Fouchier, and Armin R.W. Elbers2Comments to Author 
Author affiliations: Wageningen Bioveterinary Research, Lelystad, the Netherlands (R. Bouwstra, J.L. Gonzales, A.R.W. Elbers); GD Animal Health, Deventer, the Netherlands (S. de Wit); Sovon Dutch Center for Field Ornithology, Nijmegen, the Netherlands (J. Stahl); Erasmus Medical Center, Rotterdam, the Netherlands (R.A.M. Fouchier)

Main Article

Table 3

Yearly relative risk for introduction of low pathogenicity avian influenza virus in indoor-layer farms, the Netherlands

Year Relative risk (95% CI)
2007 1 (reference)
2008 0.65 (0.48–1.04)
2009 0.63 (0.28–0.84)
2010 0.41 (0.28–0.68)
2011 0.56 (0.44–0.70)
2012 0.5 (0.30–0.83)
2013 0.15 (0.04–0.27)

Main Article

1Current affiliation: GD Animal Health, Deventer, the Netherlands.

2These authors contributed equally to this article.