Age: less than 17 and less or equal to 81 years, Admission to the Intensive Care Unit with severe pneumonia criteria (clinical signs of pneumonia + one of the following criteria: respiratory rate greater than 30 irpm, signs of respiratory effort, SatO2 less than 90% in room air), COVID-19 confirmed or highly suspicious (positive contact or suggestive image)

Age: less than 17 and less or equal to 81 years, Admission to the Intensive Care Unit with severe pneumonia criteria (clinical signs of pneumonia + one of the following criteria: respiratory rate greater than 30 irpm, signs of respiratory effort, SatO2 less than 90% in room air), COVID-19 confirmed or highly suspicious (positive contact or suggestive image)