.Attributes Medication, Published online: 18 September 2024 doi:10.1038/ s41591-024-03300-3Genomic and epidemiologic studies exposed that a novel reassortant popular descent of the Oropouche virus, which has been distributing in the western side Amazon region of Brazil for concerning a years, is connected with the current human outbreaks between 2022 as well as 2024.