Robust cross-cohort gut microbiome associations with COVID-19 severity oleh Junhui Li, Tarini Shankar Ghosh, Rachel MacCann, Patrick Mallon, Colin Hill, Lorraine Draper, David Schult, Liam J. Fanning, Robert Shannon, Corinna Sadlier, Mary Horgan, Liam O’Mahony, Paul W. O’Toole