“…In the first waves worldwide this had a major impact on normal processes, as many planned admissions had to be postponed, causing indirect harm to other patients that could not be admitted to the overcrowded intensive care units. 12a More important, it created a shortage of ventilators 13 , as many hospitals in many countries felt they needed to enlarge their critical care services, in particular ventilatory care, expanding beyond the physical boundaries of existing units, including recovery rooms, or even operation rooms. Then the concerns were that care, especially ventilatory care, could become inappropriate, as many extra nurses and doctors were needed at the bedside of the rapidly growing group of critically ill patients that needed invasive ventilation, with many of them having little or even no experience in invasive ventilation.…”