The adverse impact of cytomegalovirus infection on intensive care units outcomes in critically ill COVID-19 patients: a single-center prospective observational study - López-Olivencia, M.; de Pablo, R.; de Dios, N.P.; García-Plaza, S.; Sáez-Noguero, S.; de la Fuente, J.S.; Fortún, J.; Cuesta, M.C.S. (Infection, 2025)