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Volume 12, Number 10—October 2006
Research

Low Frequency of Poultry-to-Human H5N1 Transmission, Southern Cambodia, 2005

Sirenda Vong*Comments to Author , Benjamin Coghlan†‡§, Sek Mardy*, Davun Holl¶, Heng Seng#, Sovann Ly#, Megge Miller†, Philippe Buchy*, Yves Froehlich**, Jeanptiste Dufourcq††, Timothy M. Uyeki‡‡, Wilina Lim§§, and Touch Sok#
Author affiliations: *Institut Pasteur in Cambodia, Phnom Penh, Cambodia; †World Health Organization, Phnom Penh, Cambodia; ‡Burnet Institute, Melbourne, Victoria, Australia; §Australian National University, Canberra, Australian Capital Territory, Australia; ¶Ministry of Agriculture, Forestry and Fisheries, Phnom Penh, Cambodia; #Ministry of Health, Phnom Penh, Cambodia; **Food and Agricultural Organization of the United Nations, Phnom Penh, Cambodia; ††Calmette Hospital, Phnom Penh, Cambodia; ‡‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA; §§Hong Kong Department of Health, Hong Kong Special Administrative Region, People's Republic of China

Main Article

Table 1

Comparison of animal exposures in households in which the likelihood of H5N1 outbreak among chickens was high (n = 96) and in households in which no chickens died (n = 166)*

Exposure Likely H5N1 outbreak households, n (%) No chicken death households, n (%) OR p value 95% CI
Handle live poultry 56 (58.3) 125 (75.3) 0.46 0.025 0.23–0.91
Feed poultry 63 (65.6) 130 (78.3) 0.53 0.093 0.25–1.11
Clean poultry cages and stalls 32 (33.3) 85 (51.2) 0.48 0.015 0.26–0.87
Collect sick poultry 53 (55.2) 86 (51.8) 1.15 0.623 0.66–1.98
Collect dead poultry 55 (57.3) 92 (55.4) 1.08 0.769 0.64–1.82
Pluck feathers from dead poultry 43 (44.8) 88 (53.0) 0.72 0.290 0.39–1.32
Handle poultry organs 51 (53.1) 107 (64.5) 0.62 0.100 0.36–1.09
Transport live poultry 3 (3.1) 7 (4.2) 0.73 0.647 0.19–2.77
Collect or transport feces 37 (38.5) 78 (47.0) 0.71 0.162 0.44–1.15
Raise hatchlings 1 (1.0) 0 NA
Collect and sell eggs 36 (37.5) 69 (41.6) 0.84 0.585 0.46–1.55
Clean up poultry feathers 31 (32.3) 82 (49.4) 0.49 0.013 0.28–0.86
Clean up poultry feces 36 (37.5) 80 (48.2) 0.67 0.291 0.32–1.41
Slaughter chickens 30 (31.3) 68 (41.0) 0.40 0.017 0.18–0.87
Slaughter ducks 17 (17.7) 40 (24.1) 0.52 0.638 0.03–8.52
Attend cockfight 9 (9.4) 17 (10.2) 0.65 0.474 0.19–2.15
Purchase live poultry 11 (11.5) 6 (3.6) 3.45 0.028 1.14–10.44
Purchase killed poultry 2 (2.1) 0 NA

*OR, odds ratio; CI, confidence interval; NA, not applicable.

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Page created: November 10, 2011
Page updated: November 10, 2011
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