Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 13, Number 9—September 2007

Dispatch

Poultry Drinking Water Used for Avian Influenza Surveillance

Y.H. Connie Leung*, Li-Juan Zhang*, Chun-Kin Chow*, Chun-Lok Tsang*, Chi-Fung Ng*, Chun-Kuen Wong*, Yi Guan*1, and J.S. Malik Peiris*1Comments to Author 
Author affiliations: *The University of Hong Kong, Hong Kong Special Administrative Region, People’s Republic of China;

Main Article

Table 1

Avian influenza (H9N2) virus in chickens (August 2004–July 2005) and minor poultry (August 2004–November 2006)*

Species No. pos/no. tested (% pos)
Overall isolation rate Feces only Drinking water only Feces and drinking water
Chicken 207/2,503 (8.3) 24/2,503 (1.0) 174/2,503 (7.0) 9/2,503 (0.4)
Minor poultry
Silkie chicken 10/171 (5.8) 0/171 (0) 9/171 (5.3) 1/171 (0.6)
Guinea fowl 1/13 (7.7) 1/13 (7.7) 0/13 (0) 0/13 (0)
Pigeon 6/158 (3.8) 0/158 (0) 6/158 (3.8) 0/158 (0)
Chukar 1/23 (4.3) 1/23 (4.3) 0/23 (0) 0/23 (0)
Pheasant 10/48 (20.8) 2/48 (4.2) 7/48 (14.6) 1/48 (2.1)

*Pos, positive for avian influenza (H9N2) virus.

Main Article

1These authors contributed equally to this article.

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO