First COVID-19 sub-intensive respiratory unit in Europe: the Italian experience

European SARS-CoV-2 pandemic epicenter was detected in Northern Italy, in a little Italian town of Lodi province, the Lodi Hospital was therefore rapidly saturated, and in particularly the departments of respiratory diseases and Intensive Care Unit had been largely involved. In this paper, we describe how the first Sub-intensive Respiratory Unit in Europe completely dedicated to COVID-19 patients was organized and managed in our hospital. From February 25^th to April 30^th 2020, 156 patients were admitted to our Respiratory Sub-intensive Unit. Among them, 100 were discharged, 28 dead and 28 transferred to ICU for intubation.