Case report: Dengue virus serotype 3 and Oropouche virus co-infection in a Cuban traveller diagnosed in Portugal, November 2024

  1. Líbia Zé-Zé
  2. Joana Laranjinha
  3. Vítor Borges
  4. Ana Luísa Graça
  5. Daniel Sobral
  6. João Dourado Santos
  7. Ana Cláudia Carvalho
  8. Nuno Rodrigues Faria
  9. João Paulo Gomes
  10. Maria João Alves
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Abstract

In 2024, unprecedented outbreaks of dengue virus (DENV) and Oropouche virus (OROV) were reported in Latin America and the Caribbean. We describe a case of co-infection with DENV serotype 3 and OROV imported into Portugal from Cuba. RT-PCR and next-generation sequencing confirmed the presence of both viruses in a 35-year-old male patient. Our findings highlight the importance of comprehensive multi-arbovirus diagnostics, particularly in travelers from regions experiencing concurrent outbreaks.

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  1. Version published to 10.21203/rs.3.rs-6466047/v1 on Research Square