First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon

We report the first outbreak of a pathogenic avian influenza virus that occurred on 13 April 2022 in the locality of Meyang, in Gabon, causing the death of 17,498 laying hens. Molecular analysis revealed that the mass mortalities observed in laying hens were associated with serotype H5N1 whose strai...

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Main Authors: Gael Darren Maganga, Sonia Etenna Lekana-Douki, Lucie Marquet, Natacha Efoua Tomo, Daniel Obame Ondo, Jumafra Perside Koumba, Landry Mbou Mbina, Michel Dikongo, Barthélémy Ngoubangoye, Jean-Bernard Lekana-Douki, Augustin Mouinga-Ondeme
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Cogent Food & Agriculture
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Online Access:https://www.tandfonline.com/doi/10.1080/23311932.2024.2408850
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author Gael Darren Maganga
Sonia Etenna Lekana-Douki
Lucie Marquet
Natacha Efoua Tomo
Daniel Obame Ondo
Jumafra Perside Koumba
Landry Mbou Mbina
Michel Dikongo
Barthélémy Ngoubangoye
Jean-Bernard Lekana-Douki
Augustin Mouinga-Ondeme
author_facet Gael Darren Maganga
Sonia Etenna Lekana-Douki
Lucie Marquet
Natacha Efoua Tomo
Daniel Obame Ondo
Jumafra Perside Koumba
Landry Mbou Mbina
Michel Dikongo
Barthélémy Ngoubangoye
Jean-Bernard Lekana-Douki
Augustin Mouinga-Ondeme
author_sort Gael Darren Maganga
collection DOAJ
description We report the first outbreak of a pathogenic avian influenza virus that occurred on 13 April 2022 in the locality of Meyang, in Gabon, causing the death of 17,498 laying hens. Molecular analysis revealed that the mass mortalities observed in laying hens were associated with serotype H5N1 whose strain belonged to clade 2.3.4.4b. The gabonese Influenza A/H5N1 strains identified showed 99% nucleotide similarity with the Nigerian, Benin and Lesotho strains. The presence of this virus could seriously compromise the development of poultry farming in this country and could threaten public health.
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publisher Taylor & Francis Group
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series Cogent Food & Agriculture
spelling doaj-art-01b49c1b804a4a5a907f12b3a103bfeb2024-12-13T09:52:54ZengTaylor & Francis GroupCogent Food & Agriculture2331-19322024-12-0110110.1080/23311932.2024.2408850First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern GabonGael Darren Maganga0Sonia Etenna Lekana-Douki1Lucie Marquet2Natacha Efoua Tomo3Daniel Obame Ondo4Jumafra Perside Koumba5Landry Mbou Mbina6Michel Dikongo7Barthélémy Ngoubangoye8Jean-Bernard Lekana-Douki9Augustin Mouinga-Ondeme10Unité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonUnité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonUnité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonInstitut de Recherches Agronomiques et Forestières (IRAF), Centre National de la Recherche Scientifique et Technologique (CENAREST), Libreville, GabonCabinet Vétérinaire Vet Speed, Libreville, GabonUnité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonUnité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonUnité Emergence des Maladies Virales (UEMV), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonLaboratoire de Biométrie et Biologie Evolutive, Université Lyon 1, FranceUnité d’Epidémiologie Evolution et Résistances Parasitaires, (UNEEREP), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonUnité des Infections Rétrovirales et Pathologies Associées, Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, GabonWe report the first outbreak of a pathogenic avian influenza virus that occurred on 13 April 2022 in the locality of Meyang, in Gabon, causing the death of 17,498 laying hens. Molecular analysis revealed that the mass mortalities observed in laying hens were associated with serotype H5N1 whose strain belonged to clade 2.3.4.4b. The gabonese Influenza A/H5N1 strains identified showed 99% nucleotide similarity with the Nigerian, Benin and Lesotho strains. The presence of this virus could seriously compromise the development of poultry farming in this country and could threaten public health.https://www.tandfonline.com/doi/10.1080/23311932.2024.2408850H5N1 serotypeclade 2.3.4.4blaying hensfirst outbreakGabonpathogenic avian influenza
spellingShingle Gael Darren Maganga
Sonia Etenna Lekana-Douki
Lucie Marquet
Natacha Efoua Tomo
Daniel Obame Ondo
Jumafra Perside Koumba
Landry Mbou Mbina
Michel Dikongo
Barthélémy Ngoubangoye
Jean-Bernard Lekana-Douki
Augustin Mouinga-Ondeme
First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
Cogent Food & Agriculture
H5N1 serotype
clade 2.3.4.4b
laying hens
first outbreak
Gabon
pathogenic avian influenza
title First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
title_full First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
title_fullStr First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
title_full_unstemmed First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
title_short First detection of a pathogenic avian influenza A/H5N1 clade 2.3.4.4b virus from laying hens in Northwestern Gabon
title_sort first detection of a pathogenic avian influenza a h5n1 clade 2 3 4 4b virus from laying hens in northwestern gabon
topic H5N1 serotype
clade 2.3.4.4b
laying hens
first outbreak
Gabon
pathogenic avian influenza
url https://www.tandfonline.com/doi/10.1080/23311932.2024.2408850
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