Clinical data from the Fifth Medical Center of PLS General Hospital, Beijing, China shows that 2–11% of patients with COVID-19 had liver complications, while 14–53% of patients reported abnormal levels of alanine aminotransferase and aspartate aminotransferase [AST] during disease progression, and patients with severe COVID-19 appear to have a higher rate of abnormal liver function (Zhang et al., 2020). Here, GPT is linked to COVID-19.