Relation of severe COVID-19 in Scotland to transmission-related factors and risk conditions eligible for shielding support: REACT-SCOT case-control study

Paul M. McKeigue, David A. McAllister, David Caldwell, Ciara Gribben, Jen Bishop, Stuart McGurnaghan, Matthew Armstrong, Joke Delvaux, Sam Colville, Sharon Hutchinson, Chris Robertson, Nazir Lone, Jim McMenamin, David Goldberg, Helen M. Colhoun