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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Spatio-temporal epidemiology of highly pathogenic avian influenza (H5N1) outbreaks in Nigeria, 2006-2008
Preventive Veterinary Medicine, Volume 103, No. 2-3, Year 2012
Notification
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Description
From 2006 to 2008, outbreaks of highly pathogenic avian influenza A (HPAI) virus of the H5N1 subtype occurred among poultry in Nigeria. We described the spatio-temporal patterns of the HPAI H5N1 outbreaks in Nigeria. Data of suspected and laboratory confirmed outbreaks maintained at the National Veterinary Research Institute Vom was analyzed using descriptive and exploratory analyses, GIS mapping, global and local spatial statistical analyses using the Cuzick-Edwards' (C-E) test and SaTScan Space-Time Scan Statistic. A total of 1654 suspected outbreaks were reported from 32 of the 36 States and the Federal Capital Territory (FCT), 299 were confirmed HPAI H5N1 positive from 27 states and FCT. The outbreaks occurred as three distinct epidemic waves with peak periods of January-March mainly in the North-West, North-Central and North-East regions during 2006 and 2007 and July-September in the South-West and South-South regions in 2007. Three spatio-temporal clusters were identified extending across States and international borders, consistent with disease transmission occurring through local and long-distance spread. This calls for enhanced strategies by the states and regional authorities to improve surveillance, prevention and control measures at the states, national and international levels. © 2011 Elsevier B.V.
Authors & Co-Authors
Ekong, Pius Stephen
Nigeria, Vom
National Veterinary Research Institute, Vom
United States, Davis
University of California, Davis
Belgium, Antwerpen
Prins Leopold Instituut Voor Tropische Geneeskunde
Ducheyne, Els I.
Belgium, Zoersel
Agriculture and Veterinary Information and Analysis, Belgium
Carpenter, Tim E.
United States, Davis
University of California, Davis
Owolodun, Olajide Adewale
Nigeria, Vom
National Veterinary Research Institute, Vom
Oladokun, Agnes Tinuke
Nigeria, Vom
National Veterinary Research Institute, Vom
Lombin, Lami Hannatu
Nigeria, Vom
National Veterinary Research Institute, Vom
Berkvens, Dirk L.
Belgium, Antwerpen
Prins Leopold Instituut Voor Tropische Geneeskunde
Statistics
Citations: 52
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1016/j.prevetmed.2011.10.001
ISSN:
01675877
Study Design
Cross Sectional Study
Exploratory Study
Study Locations
Nigeria