Created at	Source	Raw Value	Validated value
Jan. 15, 2021, 12:31 a.m.	usa	- premorbid abnormal pulmonary function or disease - concurrent or prior intubation or ventilated support for covid-19 - receiving systemic corticosteroids or other immunomodulators or immunosuppressant drugs - previous hospitalization for covid-19	- premorbid abnormal pulmonary function or disease - concurrent or prior intubation or ventilated support for covid-19 - receiving systemic corticosteroids or other immunomodulators or immunosuppressant drugs - previous hospitalization for covid-19