Camous Moslemi, Susanne Saekmose, Rune Larsen, Thorsten Brodersen, Maria Didriksen, Henrik Hjalgrim, Karina Banasik, Kaspar R Nielsen, Mie T Bruun, Joseph Dowsett, Kathrine A Kasperen, Susan Mikkelsen, Thomas F Hansen, Henrik Ullum, Christian Erikstrup, Martin L Olsson, Sisse R Ostrowski, Ole B Pedersen
BACKGROUND: Previous studies have reported Blood type O to confer a lower risk of SARS-CoV-2 infection, while secretor status and other blood groups have been suspected to have a similar effect as well. STUDY DESIGN AND METHODS: To determine whether any other blood groups influence testing positive for SARS-CoV-2, COVID-19 severity, or prolonged COVID-19, we used a large cohort of 650,156 Danish blood donors with varying available data for secretor status and blood groups ABO, Rh, Colton, Duffy, Diego, Dombrock, Kell, Kidd, Knops, Lewis, Lutheran, MNS, P1PK, Vel and Yt...
October 21, 2022: Transfusion