Volume 17, Number 6—June 2011
Research
Wild Birds and Increased Transmission of Highly Pathogenic Avian Influenza (H5N1) among Poultry, Thailand
Figure A1

Figure A1. The number of sampled wild birds per month (bars) and the number of highly pathogenic avian influenza (H5N1) virus-infected poultry flocks (dots) in 9 regions of Thailand, 2004–2007.