.Attributes Medicine, Published online: 18 September 2024 doi:10.1038/ s41591-024-03300-3Genomic and epidemiologic reviews uncovered that a novel reassortant viral family tree of the Oropouche virus, which has been actually circulating in the western side Amazon.com location of South america for regarding a years, is related to the recent human episodes in between 2022 as well as 2024.