Included in this operation are all those reinforcement measures put in place or planned in order to address the health crisis caused by COVID-19, and specifically, hospital discharges without stay in an Intensive Care Unit (ICU) due to COVID-19 with a length of more than 72 hours or exitus in the second half of 2021, promoted by the Catalan Health Service (CatSalut) and implemented by the centers that are part of the Comprehensive Health System for Public Use of Catalonia (SISCAT).