Medical intensive care unit at Jacques Cartier Hospital in Massy. All the beds in the service since the start of the Covid 19 pandemic have been reserved for the reception of patients needing respiratory assistance. Hospital workers, nursing assistants, nurses, interns and physicians are mobilized with patients to ensure continuous care. To avoid any contamination, all staff must comply with the rules for wearing masks, gowns, aprons, glasses, gloves. .Care performed on an intubated patient on an artificial respirator and under dialysis. Break of a catether by the resuscitator and an intern after an ultrasound.