Serological Surveillance of Influenza D Virus in Ruminants and Swine in West and East Africa, 2017–2020 | Surveillance sérologique du virus influenza D chez les ruminants et le porc en Afrique de l'Ouest et de l'Est, 2017-2020
2021
Sanogo, Idrissa Nonmon | Kouakou, Casimir | Batawui, Komla | Djegui, Fidélia | Byarugaba, Denis, K. | Adjin, Rachidatou | Adjabli, Komlan | Wabwire-Mangen, Fred | Erima, Bernard | Atim, Gladys | Ukuli, Qouilazoni, A. | Tugume, Titus | Dogno, Koffi | Go-Maro, Wolali | Couacy-Hymann, Emmanuel | Kayali, Ghazi | Mckenzie, Pamela | Webby, Richard, J. | Ducatez, Mariette F | Interactions hôtes-agents pathogènes [Toulouse] (IHAP) ; Ecole Nationale Vétérinaire de Toulouse (ENVT) ; Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National Polytechnique (Toulouse) (Toulouse INP) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | University of Segou | Laboratoire National d'Appui au Développement Agricole [Abidjan, Ivory Coast] (LANADA) | Laboratoire Central Vétérinaire de Lomé | Laboratoire de Diagnostic Vétérinaire et de Sérosurveillance (LADISERO) | Makerere University [Kampala, Ouganda] (MAK) | Walter Reed Project ; Makerere University [Kampala, Ouganda] (MAK) | LANADA Central Laboratory for Animal Diseases ; Partenaires INRAE | University of Texas Health Science Center ; The University of Texas Health Science Center at Houston (UTHealth) | Human Link | St Jude Children's Research Hospital [Memphis, USA] | This study was founded by the National Institute of Allergy and Infectious Diseases, National Institutes of Health (CEIRS contract no. HHSN272201400006C). I.N.S. is supported by a PhD scholarship of the French Embassy in Mali.
This study was approved by the St. Jude Children’s Research Hospital Institutional Animal Care and Use Committee (Amended IACUC Approval # 546-100491-07/17; expires 4/5/23).<br/>This study was approved by the St. Jude Children’s Research Hospital Institutional Animal Care and Use Committee (Amended IACUC Approval # 546-100491-07/17; expires 4/5/23).
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Afficher plus [+] Moins [-]anglais. Influenza D virus (IDV) was first isolated in 2011 in Oklahoma, USA from pigs presenting with influenza-like symptoms. IDV is known to mainly circulate in ruminants, especially cattle. In Africa, there is limited information on the epidemiology of IDV, although the virus has likely circulated in the region since 2012. In the present study, we investigated the seropositivity of IDV among domestic ruminants and swine in West and East Africa from 2017 to 2020. Serum samples were analyzed using the hemagglutination inhibition (HI) assay. Our study demonstrated that IDV is still circulating in Africa, with variations in seropositivity among countries and species. The highest seropositivity was detected in cattle (3.9 to 20.9%). Our data highlights a need for extensive surveillance of IDV in Africa in order to better understand the epidemiology of the virus in the region.
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