Emerging Infectious Diseases (Jan 2025)

Equine Encephalomyelitis Outbreak, Uruguay, 2023–2024

  • Sandra Frabasile,
  • Noelia Morel,
  • Ramiro Pérez,
  • Lucía Moreira Marrero,
  • Analia Burgueño,
  • María Noel Cortinas,
  • Lucía Bassetti,
  • Raúl Negro,
  • Sirley Rodríguez,
  • Victoria Bórmida,
  • Valeria Gayo,
  • Victor Costa de Souza,
  • Felipe Gomes Naveca,
  • Mariela Martínez Gómez,
  • Lionel Gresh,
  • Jairo Mendez-Rico,
  • Héctor Chiparelli,
  • Adriana Delfraro

DOI
https://doi.org/10.3201/eid3101.240915
Journal volume & issue
Vol. 31, no. 1
pp. 180 – 183

Abstract

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We report the genomic analysis from early equine cases of the Western equine encephalitis virus outbreak during 2023–2024 in Uruguay. Sequences are related to a viral isolate from an outbreak in 1958 in Argentina. A viral origin from South America or continuous enzootic circulation with infrequent spillover is possible.

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