Zhao F, Zheng L, Shan F, et al. - Researchers here used oxygen-enhanced (OE) ultrashort echo time (UTE) MRI to examine the lung function of coronavirus disease 2019 (COVID-19) patients. This study was performed including 49 patients with COVID-19. A respiratory-gated three-dimensional (3D) radial UTE sequence form the basis for OE-MRI. They calculated the percent signal enhancement (PSE) map for each patient utilizing the expression PSE = (S _{100% – S 21% )/S 21% , where S 21% and S100% are signals obtained during room air and 100% oxygen inhalation, respectively. Good agreement reached between CT and UTE-MRI in lesion detectability. Pulmonary ventilation was identified to be linked with the severity of COVID-19. Findings overall suggest the promising value of OE-UTE-MRI for evaluating lung function or treatment management of COVID-19 patients.}