Alexandre Mestre Tejo, Amaro Nunes Duarte-Neto, Jacqueline Alves Rena, Wdson Luís Lima Kruschewsky, Camila Malta Romano, Caio Santos de Souza, Raquel Gomes Catozo, Mariene R. Amorim, Cinthya dos Santos Cirqueira, Hermes Ryoiti Higashino, Bruno Garcia Pires, Ester Cerdeira Sabino, Alfredo Mendrone, Vanderson Rocha, Sílvia Figueiredo Costa
Transfusion-transmitted dengue remains a relevant risk during outbreaks. We report a transfusion-transmitted severe dengue case in a stem cell transplant recipient during the 2024 epidemic in Brazil, supported by phylogenetic linkage, evolving to a fatal outcome. This sentinel case highlights the potential severity of transfusion-transmitted dengue, particularly in immunocompromised hosts.