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Volume 13, Number 3—March 2007

Research

Risk for Infection with Highly Pathogenic Influenza A Virus (H5N1) in Chickens, Hong Kong, 2002

Nina Y. Kung*†1Comments to Author , Roger S. Morris*, Nigel R. Perkins*, Les D. Sims‡, Trevor M. Ellis‡, Lucy Bissett‡, Mary Chow‡, Ken F. Shortridge‡, Yi Guan‡, and Malik J.S. Peiris‡
Author affiliations: *Massey University, Palmerston North, New Zealand; †University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People’s Republic of China; ‡Department of Agriculture, Fisheries and Conservation, Kowloon, Hong Kong Special Administrative Region, People’s Republic of China;

Main Article

Table 2

Descriptive analysis of farm area, standing population of chickens, and number of sheds of chicken farms included in survey, Hong Kong, 2002*


Case (n = 16)
Control (n = 46)
p value
MeanMedianMaxMinSDMeanMedianMaxMinSD
Farm area (m2)
4,008
1,700
18,600
900
4,684
3,275
1,975
28,350
207
4,331
0.86
Chicken count (×1,000)
41.3
27.5
101.4
5.6
33.3
16.2
16.0
51
3.5
10.2
<0.001
Shed no.7.45.52025.98.07.51914.40.65

*Max, maximum; Min, minimum; SD, standard deviation.

Main Article

1Current affiliation: AgriQuality Ltd, Lower Hutt, New Zealand

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