Molecular epidemiology of Western equine encephalitis virus in Brazil, 2023-2024

During the ongoing western equine encephalitis virus (WEEV) outbreak in South America, we described three fatal cases in horses from Rio Grande do Sul, Brazil. We sequenced WEEV strains and identified a novel lineage causing these cases. Continued surveillance and horse immunization are needed to mi...

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Published inmedRxiv : the preprint server for health sciences
Main Authors Campos, Aline Scarpellini, Franco, Ana Claúdia, Godinho, Fernanda, Huff, Rosana, da Cruz Cardoso, Jader, Morais, Paola, Franceschina, Carolina, de Lima Bermann, Thales, Dos Santos, Franciellen Machado, Bauermann, Milena, Selayaran, Tainá Machado, Ruivo, Amanda Pellenz, Santin, Cristiane, Bonella, Juciane, Rodenbusch, Carla, Ferreira, José Carlos, Weaver, Scott C, Gewehr, Vilar Ricardo, Wallau, Gabriel Luz, de Souza, William M, Salvato, Richard Steiner
Format Journal Article
LanguageEnglish
Published United States 18.04.2024
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Summary:During the ongoing western equine encephalitis virus (WEEV) outbreak in South America, we described three fatal cases in horses from Rio Grande do Sul, Brazil. We sequenced WEEV strains and identified a novel lineage causing these cases. Continued surveillance and horse immunization are needed to mitigate the WEEV burden.