GPT and COVID-19: During hospitalization, we observed a progressive increase in AST, ALT, GGT, and ALP levels, which reached very high values (over ten-fold the upper normal range) in those patients who required ICU treatment due to the fact of multiple organ failure and subsequently died (Figure 1) The duration of inpatient treatment did not differ significantly between those who died of COVID-19 and those who were discharged home.