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 Because of genetic mutations occurring during viral replication, new SARS-CoV-
2 variants will continue to emerge. Throughout the COVID-19 pandemic, thorax computed …

Objectives To elucidate the CT manifestations and patterns of evolution in patients with
COVID-19 pneumonia. Methods This is a retrospective review of CT scans of 110 patients …

Objectives To characterize and interpret the CT imaging signs of the 2019 novel coronavirus
(COVID-19) pneumonia in China. Materials and methods The CT images of 130 patients …

Objective: The aim of this study was to compare the radiographic features of patients with
progressive and nonprogressive coronavirus disease 2019 (COVID-19) pneumonia …

Objective: To investigate the imaging findings of 2019 novel coronavirus pneumonia (COVID-
19). Methods: From January 20 to February 5, 2020, a total of 130 patients diagnosed with …

To investigate the frequency of pneumonia and chest computed tomography (CT) findings in
patients with coronavirus disease 2019 (COVID-19) during the fifth Delta variant …

Objective To retrospectively analyze the chest computed tomography (CT) features in
patients with coronavirus disease 2019 (COVID-19) pneumonia. Methods From January 9 …

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 …

Background and aim: To perform a longitudinal analysis of serial CT findings over time in
patients with COVID-19 pneumonia. Methods: From February 5 to March 8, 2020, 73 …