A handful of early studies have found that people with blood type O may have a slight advantage during this pandemic. Research published over the weekend found that patients with type O were less likely to test positive for COVID-19 than patients with type A, B, or AB blood.

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An April study found a similar trend: The research (though yet to be peer-reviewed) analysed 1,559 coronavirus patients in New York City and found that a lower proportion had type O blood.

Other research has reported a link between patients' blood type and the severity of their infections, but these two studies did not. Overall, the jury is still out on whether your blood type affects your coronavirus risk in any significant way.