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Alarcon-Elbal, Pedro MariaAutor o coautor

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Oropouche Virus (OROV): Expanding Threats, Shifting Patterns, and the Urgent Need for Collaborative Research in Latin America

Publicat a:Viruses-Basel. 17 (3): 353- - 2025-02-28 17(3), DOI: 10.3390/v17030353

Autors: Freitas, Andre Ricardo Ribas; Schwartz, David A; Neto, Antonio Silva Lima; Rodrigues, Rosana; Cavalcanti, Luciano Pamplona Goes; Alarcon-Elbal, Pedro Maria

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Recent outbreaks of Oropouche virus (OROV) in Latin America demonstrate shifting epidemiological trends, with increasing clinical severity and geographic expansion driven by environmental and anthropogenic factors, many of which remain uncertain. Viral evolution with new reassortant strains, changes in vectors, environmental degradation, and human activities have been postulated as factors that have facilitated its spread into new areas beyond the Amazon Basin. Multiple reports starting in July 2024 of pregnant women with Oropouche fever developing vertical infections and adverse perinatal outcomes, including placental infection, stillbirth, and fetal infections with microcephaly and malformation syndromes, have reinforced the public health significance of this disease. Here, we describe the evidence surrounding this re-emerging epidemic threat, examine these changes, and propose specific strategies for enhanced surveillance and a public health response.

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