Characteristics and outcomes of unvaccinated and vaccinated COVID-19 patients with acute respiratory failure treated with CPAP in a medical intermediate care unit
1 High Care Internal Medicine Unit, Internal Medicine Department, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico of Milan, Italy. Electronic address: silvia.accordino@policlinico.mi.it.
2 High Care Internal Medicine Unit, Internal Medicine Department, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico of Milan, Italy.
3 Pulmonology and Cystic Fibrosis Unit, Internal Medicine Department, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico of Milan, Italy; Department of Pathophysiology and Transplantation, University of Milan, Italy.