Avian Influenza Vaccination of Poultry and Passive Case Reporting, Egypt
Timothée Vergne , 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)
Figure. . Number of districts in which avian influenza (H5N1) virus infection was detected among poultry and humans during and after a campaign of mass vaccination of backyard poultry, Egypt, January 2008–December 2010. Activity was identified by active, passive, or participatory surveillance at the district level. Cessation of the vaccination campaign appeared to cause a large increase in the number of infected districts that were detected during Period 2. Shading indicates periods of study. HPAI, highly pathogenic avian influenza.
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