.Attributes Medicine, Posted online: 18 September 2024 doi:10.1038/ s41591-024-03300-3Genomic and epidemiologic analyses exposed that an unfamiliar reassortant viral descent of the Oropouche virus, which has actually been actually flowing in the western Amazon location of South america for about a decade, is linked with the latest human outbreaks between 2022 and also 2024.