In this issue of Radiology, Lee et al (2) compared clinical and imaging outcomes of patients
infected with subvariants of Omicron, the older BA. 1/BA. 2 (n= 1269) versus newer BA. 5 (n …

Background Differences in the clinical and radiologic characteristics of SARS-CoV-2
Omicron subvariants have not been well studied. Purpose To compare clinical disease …

Rationale and Objectives The Omicron variant of COVID-19 is less severe than the ancestral
strain, leading to the potential for deaths in patients infected with the virus but who die of …

Background Few reports have evaluated the effect of the SARS-CoV-2 variant and
vaccination on the clinical and imaging features of COVID-19. Purpose To evaluate and …

Background: The aim of this study was to evaluate CT (computed tomography) imaging
differences for the Delta and the Omicron variant in COVID-19 infection. Methods: The study …

Purpose To explore the CT findings and pneumonnia progression pattern of the Alpha and
Delta variants of SARS-CoV-2 by comparing them with the pre-existing wild type. Method In …

Background CT manifestations of SARS-CoV-2 may differ among variants. Purpose To
compare the chest CT findings of SARS-CoV-2 between the Delta and Omicron variants …

In the past month, the outbreak of a new coronavirus from Wuhan, ie, 2019-nCov, has
spread rapidly across China and beyond, with an epidemiological link to the Huanan …

Lee https://doi. org/10.3348/kjr. 2020.0096 kjronline. org show a poor prognosis and need
ventilation therapy in the intensive care unit (8). In cases of MERS, the mean number of lung …

Dear Editor, Since December 2019, an outbreak of a novel coronavirus disease (COVID-19)
in Wuhan, China has gained much attention (1À3). The World Health Organization (WHO) …