The impact of ABO and Rh(D) blood group on Covid-19 immune responseErling Englund Anders E. Henriksson a Research and Development, Sundsvall County Hospital, Sundsvall, Swedenb Clinical Chemistry and Transfusion Medicine, Sundsvall County Hospital, Sundsvall, Swedenc Natural Sciences, Mid Sweden University, Sundsvall, Swedenon June 20, 2025 at 1:50 am