'Why would blood group make any difference to SARS-CoV-2? Several new studies offer possible explanations. One from Stowell and colleagues, recently published in Blood, suggests that having type A blood makes SARS-CoV-2 “stickier” to host cells.'

https://jamanetwork.com/journals/jama/fullarticle/2808688?guestAccessKey=a7429c80-4b5a-4930-87f4-6f7c440da2bd&utm_source=linkedin_company&utm_medium=social_jama&utm_term=11059908828&utm_campaign=article_alert&linkId=230199732