There is new evidence that blood type “O” individuals, and Rh (-) negative individuals have a slightly lower risk of being infected AND developing severe illness and death from Covid-19.
In another study, Adam Auton, PhD, principal scientist at 23andMe, analyzed genetic data from more than 800,000 of the company’s customers. This analysis also found that type “O” blood showed a protective effect against acquiring the virus vs. all other blood types. Patients in the study with that blood type were also less likely to be hospitalized with COVID-19.
“ABO blood groups are increasingly recognized to influence susceptibility to certain viruses, including SARS-CoV-1 and norovirus,” Torben Barington, MD, professor of medicine at Odense University Hospital and University of Southern Denmark, and colleagues wrote. “A, B and AB individuals are also at increased risk for thrombosis and cardiovascular diseases, which are important comorbidities among hospitalized COVID-19 patients, possibly mediated by glycosylation of proteins involved in hemostasis.”
Justin Groode MD | Patient Advocate Alliance LLC
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