HomeAlpha-1 antitrypsin inhibits TMPRSS2 protease activity and SARS-CoV-2 infection March 23, 2021 print this article Alpha-1 antitrypsin inhibits TMPRSS2 protease activity and SARS-CoV-2 infection Wettstein et al.; Nat Commun. 2021 Mar 19;12(1):1726