.Attribute Medicine, Released online: 18 September 2024 doi:10.1038/ s41591-024-03300-3Genomic and also epidemiologic analyses showed that an unfamiliar reassortant viral family tree of the Oropouche virus, which has been circulating in the western Amazon.com area of Brazil for about a decade, is connected with the recent individual outbreaks in between 2022 and also 2024.