Death and ICU Admission Associated with Sars-Cov-2 Variants in Immunocompromised Hospitalised Individuals: A National Observational Study. - Mattos, Antônio José Cordeiro; Mazon, Francisco Jose Nigro; Theotonio dos Santos, Lucas Ferreira; Bianco, Juares Ednaldo Romero; Monfardini, Frederico; dos Santos, Gustavo Prado; de Sousa, Lívia Dias; Sasse, Mariana Martins; Rizzo, Luiz Vicente; Fonseca, Henrique Andrade R. (Infectious Diseases & Therapy, 2026)