Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies
<b>Background:</b> Bovine respiratory syncytial virus (BRSV) is a major pathogen of the bovine respiratory disease complex and causes regular severe winter outbreaks of respiratory disease in cattle. It is therefore responsible for important economic losses for the farming industry. In t...
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2025-03-01
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| author | Anneliese Demil Mickaël Dourcy Mutien-Marie Garigliany Dominique Cassart Fabien Grégoire Julien Evrard Daniel Desmecht Calixte Bayrou Hani Boshra |
| author_facet | Anneliese Demil Mickaël Dourcy Mutien-Marie Garigliany Dominique Cassart Fabien Grégoire Julien Evrard Daniel Desmecht Calixte Bayrou Hani Boshra |
| author_sort | Anneliese Demil |
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| description | <b>Background:</b> Bovine respiratory syncytial virus (BRSV) is a major pathogen of the bovine respiratory disease complex and causes regular severe winter outbreaks of respiratory disease in cattle. It is therefore responsible for important economic losses for the farming industry. In this study, the genetic diversity of the circulating BRSV strains in Belgium, which has not been assessed since the end of the 1990s, was investigated. <b>Methods</b>: We analyzed 51 BRSV-positive samples collected from 2015 to 2023. This study is the first report on the circulation of BRSV subgroup VIII in Belgium. Furthermore, co-circulation of subgroups II and III was recorded in the same period. Four commercially available vaccine strains marketed in Belgium were also included in the analysis and they clustered with subgroup II or III. <b>Results</b>: Our findings indicate that different strains of BRSV are circulating in Belgium, including those from subgroups II and VIII, with the subgroup VIII strains being particularly distant from the commercially available vaccine strains. <b>Conclusions</b>: These results highlight the importance of ensuring that the available vaccines efficiently protect against strains from circulating subgroups and assessing the potential circulation of attenuated vaccine strains. |
| format | Article |
| id | doaj-art-8a4537daa0494eb1b204c63c2ba8ff0e |
| institution | OA Journals |
| issn | 2076-393X |
| language | English |
| publishDate | 2025-03-01 |
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| series | Vaccines |
| spelling | doaj-art-8a4537daa0494eb1b204c63c2ba8ff0e2025-08-20T01:49:53ZengMDPI AGVaccines2076-393X2025-03-0113329810.3390/vaccines13030298Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination StrategiesAnneliese Demil0Mickaël Dourcy1Mutien-Marie Garigliany2Dominique Cassart3Fabien Grégoire4Julien Evrard5Daniel Desmecht6Calixte Bayrou7Hani Boshra8Department of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, BelgiumDepartment of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, BelgiumDepartment of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, BelgiumDepartment of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, BelgiumRegional Association for Animal Registration and Health (ARSIA) asbl, 5590 Ciney, BelgiumRegional Association for Animal Registration and Health (ARSIA) asbl, 5590 Ciney, BelgiumDepartment of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, BelgiumBovine Health Service, Clinical Department of Production Animals (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B42, 4000 Liege, BelgiumDepartment of Morphology and Pathology, Fundamental and Applied Research for Animals & Health (FARAH), Faculty of Veterinary Medicine, University of Liège, Bât B43, 4000 Liege, Belgium<b>Background:</b> Bovine respiratory syncytial virus (BRSV) is a major pathogen of the bovine respiratory disease complex and causes regular severe winter outbreaks of respiratory disease in cattle. It is therefore responsible for important economic losses for the farming industry. In this study, the genetic diversity of the circulating BRSV strains in Belgium, which has not been assessed since the end of the 1990s, was investigated. <b>Methods</b>: We analyzed 51 BRSV-positive samples collected from 2015 to 2023. This study is the first report on the circulation of BRSV subgroup VIII in Belgium. Furthermore, co-circulation of subgroups II and III was recorded in the same period. Four commercially available vaccine strains marketed in Belgium were also included in the analysis and they clustered with subgroup II or III. <b>Results</b>: Our findings indicate that different strains of BRSV are circulating in Belgium, including those from subgroups II and VIII, with the subgroup VIII strains being particularly distant from the commercially available vaccine strains. <b>Conclusions</b>: These results highlight the importance of ensuring that the available vaccines efficiently protect against strains from circulating subgroups and assessing the potential circulation of attenuated vaccine strains.https://www.mdpi.com/2076-393X/13/3/298BRSVlivestock diseasesrespiratory diseasesphylogenetics |
| spellingShingle | Anneliese Demil Mickaël Dourcy Mutien-Marie Garigliany Dominique Cassart Fabien Grégoire Julien Evrard Daniel Desmecht Calixte Bayrou Hani Boshra Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies Vaccines BRSV livestock diseases respiratory diseases phylogenetics |
| title | Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies |
| title_full | Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies |
| title_fullStr | Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies |
| title_full_unstemmed | Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies |
| title_short | Phylogenetic Analysis of Bovine Respiratory Syncytial Virus (BRSV) Subgroups in Wallonia Region of Belgium in Relation to Current Vaccination Strategies |
| title_sort | phylogenetic analysis of bovine respiratory syncytial virus brsv subgroups in wallonia region of belgium in relation to current vaccination strategies |
| topic | BRSV livestock diseases respiratory diseases phylogenetics |
| url | https://www.mdpi.com/2076-393X/13/3/298 |
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