ArticleCommunications medicine2025
Reemergence of yellow fever virus in forest and periurban settings in Brazil.
Article in Communications medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Yellow fever virus infection in non-human primates: a systematic review and meta-analysis of prevalence, seroprevalence, and epizootic case reports (1950-2025).Frontiers in veterinary science · 2026Pooled it
- Vector competence acrossJournal of virology · 2026Review
- Revisiting the Status of Yellow Fever Epizootics and Its Surveillance in South America: New Non-Human Primates, Spillover and Ecological Drivers.Pathogens (Basel, Switzerland) · 2026Review
- Editorial: Emerging arboviruses in the Americas: epidemiology, public health impact, and future preparedness.Frontiers in public health · 2026Article
Corrections and comments
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Authors and funding
34 authors.
Funding
Abstract
backgroundYellow fever virus remains a major public health threat in Brazil, where recent resurgence risks affecting both forest and periurban populations. Understanding viral movement across ecological settings is critical to support early detection and prevent outbreaks.
methodsWe performed genomic surveillance in two Brazilian states, a northern Amazon region and a southeastern region, between 2023 and 2025. Human and non-human primate samples were collected across forest, rural, and urban environments. Viral genomes were generated and analyzed using phylogenetic, phylogeographic, and temporal approaches to reconstruct viral transmission patterns.
resultsHere, we show evidence of continued yellow fever virus circulation and diversification in distinct ecological settings. We generate 25 genomes from humans and non-human primates, including the first human-derived genomes from the Amazon region. All genomes fall within the South American lineage. We identify one cluster in the Amazon region consistent with undetected viral persistence and reemergence, and a second cluster in the southeast associated with reintroduction followed by sustained local transmission.
conclusionsThese findings demonstrate ongoing yellow fever virus activity in Brazil, with forest regions serving as reservoirs for reemergence and periurban areas supporting continued spread. Strengthened genomic and epizootic surveillance is required to detect viral expansion early and inform targeted prevention strategies across Brazil and the Americas.
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.