HomeSARS-CoV-2 cell entry depends on ACE2 and TMPRSS2 and is blocked by a clinically proven protease inhibitor July 22, 2020 print this article SARS-CoV-2 cell entry depends on ACE2 and TMPRSS2 and is blocked by a clinically proven protease inhibitor Hoffmann et al.; Cell. 2020 Apr 16;181(2):271-280.e8