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Experts, in a new study, say that blood group O is protective against COVID-19 infection even as being a male makes an individual twice more susceptible to contracting the infection than the female, in Oyo State.
The study, which confirmed the association between ABO blood groups and COVID-19 infection and the severity of infection, says individuals with blood groups B and AB were also more susceptible to the disease. Within ABO blood group systems, there are four different blood groups: A, B, AB and O
They also found out that the blood group was not associated with whether the patients have respiratory or gastrointestinal symptoms but age modestly predict if a patient infected with SARS CoV 2 would become symptomatic.