Carlos Garcia Filho, Fernanda Martins Maia Carvalho, Antonio S. Lima Neto, Ana Maria Cabral Maia, Matheus Andrighetti Rossi, Milena Sales Pitombeira, Paula Matos, Tânia Mara Silva Coelho, Lauro Vieira Perdigão Neto, Lívia Mendes de Almeida, Felipe Gomes Naveca, Carla de Oliveira, Fernanda de Bruycker-Nogueira, Ana María Bispo de Filippis, Kléber Giovanni Luz, Andre Ricardo Ribas Freitas, Luciano Pamplona de Góes Cavalcanti
We report a case of Guillain-Barré syndrome with visual impairment after confirmed Oropouche virus infection during the 2024 outbreak in Ceará, Brazil. Whole-genome sequencing revealed infection by a novel reassortant viral lineage (OROVBR_2025_2024), raising concern about the neurovirulence of this emerging orthobunyavirus strain.