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Blood group O linked to decreased risk of SARS-CoV-2 infection
Key clinical point: Blood group O was associated with a decreased risk for SARS-CoV-2 infection.
Major finding: The relative risk for group O individuals acquiring COVID-19 was 0.87 (95% confidence interval, 0.83-0.91).
Study details: A retrospective cohort analysis of all Danish individuals tested for SARS-CoV-2 between Feb. 27, 2020, and July 30, 2020, with a known ABO blood group.
Disclosures: One author reported receiving fees from Bristol Myers Squibb, Novartis, and Roche. The remaining authors reported they had no competing financial interests.
Citation:
Barnkob MB et al. Blood Adv. 2020 Oct 14. doi: 10.1182/bloodadvances.2020002657.