Liver impairment associated with disease progression in COVID-19 patients.

We read with great interest the study by YF Zhang et al [1] . The authors found that abnormalities of liver function tests are common in COVID-19 patients, but the clinically significant liver dysfunction in COVID-19 was not a prominent feature of this illness and also may not have serious clinical consequences. This study is important and interesting; however, we still have some concerns about it. This article is protected by copyright. All rights reserved.