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Volume 18, Number 12—December 2012


Avian Influenza Vaccination of Poultry and Passive Case Reporting, Egypt

Timothée VergneComments to Author , Vladimir Grosbois, Yilma Jobre, Ahmed Saad, Amira Abd El Nabi, Shereen Galal, Mohamed Kalifa, Soheir Abd El Kader, Gwenaëlle Dauphin, François Roger, Juan Lubroth, and Marisa Peyre
Author affiliations: Author affiliations: Centre International de Recherche en Agriculture pour le Développement, Montpellier, France (T. Vergne, V. Grosbois, F. Roger, M. Peyre); French Agency for Food, Environmental and Occupational Health and Safety, Maisons-Alfort, France (T. Vergne); Food and Agriculture Organization of the United Nations, Cairo, Egypt (Y. Jobre, A. Saad, A. Abd El Nabi); Central Laboratory for Veterinary Quality Control of Poultry Production, Giza, Egypt (S. Galal, M, Kalifa); General Organisation for Veterinary Services, Cairo (S. Abd El Kader); Food and Agriculture Organization of the United Nations, Rome, Italy (G. Dauphin, J. Lubroth)

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Table 2

Estimated surveillance parameters for avian influenza virus infection in Egypt*

Estimated parameters
Period 1

Period 2
Point estimates
95% CI
Point estimates
95% CI
Number of districts with infection among poultry 126 107–159 133 118–160
Completeness of the 4 detection sources 0.58 0.46–0.68 0.72 0.60–0.81
Completeness of surveillance among poultry 0.46 0.36–0.54 0.69 0.58–0.78
Completeness of passive surveillance 0.25 0.20–0.30 0.59 0.49–0.66

*Period 1, Dec 2008–Jun 2009; period 2, Dec 2009–Jun 2010.

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