with COVID-19 related ARDS. Clinical, radiological and microbiological characteristics are reported together with histopathological findings. Measurement and main results Patients age ranged from 58 to 83 years, five males and two females were included. Time from hospital admission to death ranged from 12 to 36 days, with a mean of 20 ventilated days. ICU stay was complicated by pulmonary embolism in five patients and positive ga