Adult RSV hospitalizations in Spain: clinical characteristics and risk factors for ICU admission, prolonged stay, and mortality across six seasons (2016-2017 to 2021-2022). - Ramos-Rincón JM; Ventero MP; Pinargote-Celorio H; Otero-Rodriguez S; Rodriguez-Diaz JC; Sánchez-Payá J; Merino E (Frontiers in public health, 2026)