Arroyo-Paz A, Aleman-Gonzales L, Ingaluque-Arapa M, Zanabria-Galvez A, Tapia-Catacora P. Stacking ensemble framework for early warning of acute respiratory infections: application to the Arequipa region, Perú (2000–2024). LACCEI. 2026;1(14). doi:10.18687/LACCEI2026.1.1.1406