Blood type O least vulnerable to Covid, A and AB at most risk: Study – BusinessLine

New research suggests that people with O blood type are less likely to contract the novel coronavirus. For such blood type, the risk of developing severe symptoms, including organ failure, is also reduced.
However, people who have blood types A and AB are the most vulnerable to the infection.
The findings of two separate studies aimed to reason why the virus is lethal for some, while others are not even aware they have had it.
The study was published in the journal Blood Advances.
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