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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 2

Newcastle disease 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 95/2,503 (3.8) 53/2,503 (2.1) 33/2,503 (1.3) 9/2,503 (0.4)
Minor poultry
Silkie chicken 8/171 (4.7) 6/171 (3.5) 2/171 (1.2) 0/171 (0)
Guinea fowl 2/13 (15.4) 2/13 (15.4) 0/13 (0) 0/13 (0)
Pigeon 4/158 (2.5) 2/158 (1.3) 2/158 (1.3) 0/158 (0)
Chukar 1/23 (4.3) 1/23 (4.3) 0/23 (0) 0/23 (0)
Pheasant 0/48 (0) 0/48 (0) 0/48 (0) 0/48 (0)

*Pos, positive for Newcastle disease virus.

Main Article

1These authors contributed equally to this article.

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