Related Experiment Video
Updated: Aug 15, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
Published on: November 5, 2021
COVID-19 causing death in a rheumatoid arthritis patient who retested positive for SARS-CoV-2 RNA: A case report
Chen Tiantian1, Zhang Jing1, Ma Yiwen1
1Department of Pulmonary Medicine and Critical Medicine, Tongren Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
Background:
In the first half 2022, SARS-CoV-2 variant omicron rapidly spread in Shanghai.
Case Presentation:
A 74-year-old woman, diagnosed as having rheumatoid arthritis for almost 30 years and treated with prednisone and cyclophosphamide, went through nasopharyngeal swab RNA test for SARS-CoV-2 for routine screening and was positive. She was then sent to the designated hospital. After negative RNA test, the patient returned to the former hospital for the treatment of basic disease. Unfortunately, the RNA test of this patient became positive again. And in this period, the clinical manifestations and computed tomography scans were more progressive. Finally, the patient passed away.
Conclusion:
There is a long way to go for us to study expression characteristics of SARS-CoV-2.
Related Concept Videos
Rous Sarcoma Virus (RSV) and Cancer
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies
Rheumatic Heart Disease I: Introduction
Myocarditis II: Clinical Features and Diagnostic Tests
Rheumatic Heart Disease III: Medical Management
Pericarditis II: Clinical Features and Diagnostic Tests

