Age 18 years or older In ICU or scheduled for transfer to ICU Endotracheal tube in place Intubated yesterday or today PaO2 to FIO2 ratio less than or equal to 300 while intubated Acute opacities not fully explained by effusions, lobar/lung collapse and nodules, affecting at least one lung quadrant on chest X-ray or CT The acute opacities on chest X-ray or CT are most likely due to COVID-19 There is a PCR positive sample for SARS-CoV-2 within the past 21 days or there are results pending or further testing is planned

Age 18 years or older In ICU or scheduled for transfer to ICU Endotracheal tube in place Intubated yesterday or today PaO2 to FIO2 ratio less than or equal to 300 while intubated Acute opacities not fully explained by effusions, lobar/lung collapse and nodules, affecting at least one lung quadrant on chest X-ray or CT The acute opacities on chest X-ray or CT are most likely due to COVID-19 There is a PCR positive sample for SARS-CoV-2 within the past 21 days or there are results pending or further testing is planned