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Volume 24, Number 12—December 2018

Comparison of 2016–17 and Previous Epizootics of Highly Pathogenic Avian Influenza H5 Guangdong Lineage in Europe

Pablo Alarcon1, Adam Brouwer1Comments to Author , Divya Venkatesh, Daisy Duncan, Chrysostomos I. Dovas, George Georgiades, Isabella Monne, Alice Fusaro, Adam Dan, Krzysztof Śmietanka, Vassilios Ragias, Andrew C. Breed, Taxiarchis Chassalevris, Gabriela Goujgoulova, Charlotte Kristiane Hjulsager, Eoin Ryan, Azucena Sánchez, Eric Niqueux, Niina Tammiranta, Siamak Zohari, David A. Stroud, Vladimir Savić, Nicola S. Lewis, and Ian H. Brown
Author affiliations: Royal Veterinary College, London, UK (P. Alarcon); Animal and Plant Health Agency, Addlestone, UK (P. Alarcon, A. Brouwer, D. Duncan, A.C. Breed, N.S. Lewis, I.H. Brown); University of Cambridge, Cambridge, UK (D. Venkatesh); Aristotle University of Thessaloniki, Thessaloniki, Greece (C.I. Dovas, T. Chassalevris); Ministry of Rural Development and Food, Thessaloniki (G. Georgiades, V. Ragias); Istituto Zooprofilattico Sperimentale delle Venezie, Padova, Italy (I. Monne, A. Fusaro); Veterinary Diagnostic Institute, Budapest, Hungary (A. Dan); National Veterinary Research Institute, Pulawy, Poland (K. Śmietanka); Department of Agriculture and Water Resources, Canberra, Australian Capital Territory, Australia (A.C. Breed); University of Queensland, Brisbane, Queensland, Australia (A.C. Breed); NDRVMI, Sofia, Bulgaria (G. Goujgoulova); Technical University of Denmark, Lyngby, Denmark (C.K. Hjulsager); Central Veterinary Research Laboratory, Celbridge, Ireland (E. Ryan); Central Veterinary Laboratory, Madrid, Spain (A. Sánchez); French Agency for Food, Environmental and Occupational Health & Safety, Ploufragan, France (E. Niqueux); Finnish Food Safety Authority Evira, Helsinki, Finland (N. Tammiranta); National Veterinary Institute and World Organisation for Animal Health Collaborating Center, Uppsala, Sweden (S. Zohari); Joint Nature Conservation Committee, Peterborough, UK (D.A. Stroud); Croatian Veterinary Institute, Zagreb, Croatia (V. Savić)

Main Article

Table 4

Types of poultry on infected farms in 3 highly pathogenic avian influenza epizootics in Europe*

Type of poultry H5N1 2005–06 epizootic
H5N8 2014–15 epizootic
H5N8 2016–17 epizootic
No. (%) farms No. with only 1 species No. (%) farms No. with only 1 species No. (%) farms No. with only 1 species
Ducks 3 (23) 0 495 (44) 433
Geese 113 (10) 81
Ducks and geese 29 (13) 0
Turkey 5 (2) 1 3 (23) 0 91 (8) 82
Broilers 23 (10) 17 4 (31) 0 93 (8) 48
Laying hens 47 (4) 29
Pigeons 9 (1) 1
Guinea fowl 10 (1) 1
Peacocks 2 (0) 0
Pheasants 8 (1) 5
Quail 2 (0) 1
Ostrich 1 (0) 0
Backyard† 176 (77) NA


Total infected farms 230 13 1,116

*NA, not available.
†Backyard represents those households that keep few birds, normally layer hens, for their own consumption. The category was used only in the 2005–06 epizootic.

Main Article

1These authors are joint first authors.

Page created: November 19, 2018
Page updated: November 19, 2018
Page reviewed: November 19, 2018
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