Scientists called a blood group whose owners are less likely to get COVID-19

The study shows that one of the blood groups can provide its owners with some protection against coronavirus, writes Fox News.

Photo: Shutterstock

In April, shortly after the outbreak of the pandemic, 23andMe, a genetic testing firm, began using its systems to help scientists better understand how genetics can play a role in the development of different forms of COVID-19: why some people get sick badly, while others have almost no symptoms or they are quite tolerant.

On June 8, the company published the first results of a study in which more than 750 people participated.

“Preliminary data from an ongoing genetic study appears to provide more evidence for the importance of a person's blood type—determined by the ABO gene—for differences in susceptibility to the virus,” the company said in a blog post.

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More specifically, type 0 blood can protect against a new virus. In fact, early results show that people with type 0 blood are 9-18% less likely to get a positive result on coronavirus compared to other groups.

Recall that:

• blood type 0 - first (I) group;
• blood type A - second (II) group;
• blood type B - third (III) group;
• blood type AB - fourth (IV) group.

“The evidence for type 0 blood protection is consistent when controlling for age, gender, body mass index, ethnicity, and comorbidities,” the company noted, adding that “differences in susceptibility among other blood types were found to be negligible.”

“There have also been several reports of links between COVID-19, blood clotting and cardiovascular disease,” said Adam Othon, lead researcher. “These reports have provided some clues about which genes may be important.”

“Even sample sizes of this size may not be enough to find genetic associations,” he added. “We are not the only group looking at this, and ultimately the scientific community may need to pool its resources to really address questions regarding the links between genetics and COVID-19.”

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However, early research findings are consistent with other studies that examined how a person’s blood type can play a role in virus susceptibility.

For example, a March study published in China also showed that people with type 0 blood may be more resistant to SARS-CoV-2, while people with type A blood may be at greater risk.

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