d treatment was started. Radiologic findings of chest CT and histologic results of the lungs biopsies of all seven patients are shown in Table 2 . Table 1 Patient characteristics and clinical course. Case Sex, age (years) Medical history Total hospital days Total ventilated days Berlin classification of ARDS Compliance phenotype PE BAL fluid GM and culture (days post hospital admission) CAPA Chloroquine Prednisolone use during hospital admission Duration of prednisolone treatment 1 M, 77 None 12 10 Severe Low Yes GM negative No Yes No 2 F, 73 None 20 16 Severe High Yes GM index 4.4 (day 19) Aspergillus fumigatus Pr