Humoral and cellular immune responses after 6 months of a heterologous SARS-CoV-2 booster with the protein-based PHH-1V vaccine in a phase IIb trial - Corominas, Julia; Garriga, Carme; Prenafeta, Antoni; Moros, Alexandra; Canete, Manuel; Barreiro, Antonio; Gonzalez-Gonzalez, Luis; Madrenas, Laia; Guell, Irina; Clotet, Bonaventura; Izquierdo-Useros, Nuria; Raich-Regue, Dalia; et al. (VACCINE, 2025)