Covid-19: Are people with blood type A more likely to be infected?

THE CHEKING PROCESS – A recent American study indicates that the virus would be more inclined to attach itself to certain cells of this blood group.
THE QUESTION. In a recent study published in the scientific journal Blood Advances, researchers at Harvard Medical University bring a new hypothesis concerning the role of blood groups in the transmission of Sars-CoV-2. According to their results, people in group A are potentially more at risk of being infected with the virus. How do they come to this conclusion? Is it consistent with what we know about the epidemic?
Read the file:Verification: approximations, errors … Le Figaro scrutinizes the news
CHECKS. Professor Sean Stowell and his team were interested in
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