van Moorsel van Moorsel CHM CHM van der Vis van der Vis JJ JJ Duckworth Duckworth A A Scotton Scotton CJ CJ Benschop Benschop C C Ellinghaus Ellinghaus D D The MUC5B promoter polymorphism associates with severe COVID-19 in the European population The MUC5B promoter polymorphism associates with severe COVID-19 in the European population Front Med Front Med 2021 2021 8 8 785529 785529 10.3389/fmed.2021.668024 10.3389/fmed.2021.668024. The gene discussed is MUC5B; the disease is COVID-19.