TMPRSS2 and metabolic dysfunction-associated steatotic liver disease: In particular, NAFLD is identified as an important risk factor for severe coronavirus disease 2019 (COVID-19) outcomes, probably due to the increased expression of angiotensin converting enzyme 2 and transmembrane protease serine 2 in multiple tissues of NAFLD patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [7,8].