Does Your Blood Type Determine If You Will Get Coronavirus?


People With O Blood Type Appear to Have a Lower Risk of Catching Coronavirus, Preliminary Study Says

by Kashmira Gander/Newsweek

Having the O blood type may reduce a person’s chances of catching the coronavirus that causes COVID-19, according to preliminary research by biotechnology company 23andMe.

Early data from over 750,000 people taking part in an ongoing study suggests that those with the O blood type are between 9 to 18 percent less likely to test positive for the coronavirus than others. In individuals who had likely been exposed to the virus, such as healthcare and essential workers and those with known contact with cases, those with the O blood group were 13 to 26 percent less likely to test positive. The team didn’t find a significant difference in how susceptible those with other blood types were. Those with type O were also less likely to be hospitalized.

A spokesperson for 23andMe told Newsweek the results were released on the company’s website, and have not been published in a peer-reviewed journal.

Participants of the ongoing study, which launched in April, answered survey questions about whether they have had cold or flu-like symptoms, and whether they had been diagnosed with, received treatment for, or had been hospitalized with COVID-19. They also shared their genetic information using 23andMe kits.

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  1. I wonder: Is blood-type a factor in susceptibility to other infectious maladies?
    I’m O-Negative and can’t remember the last time I had a cold or flu. No vaccinations either.

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