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https://palmbeachexaminer.com/2020/10/15/new-study-finds-blood-type-o-is-associated-with-a-decreased-risk-for-contracting-sars-cov-2-covid-19-infection-over-type-a/
New study finds blood type-O is associated with a decreased risk for contracting SARS-CoV-2 / COVID-19 infection over type-A