Study finds your blood type doesn’t play a factor in COVID-19 risk, severity of symptoms

Coronavirus Updates

SALT LAKE CITY (ABC4) – Your blood type does not affect your risk of contracting COVID-19 or developing severe disease, according to a new study.

Intermountain Healthcare says during the study, its researchers examined outcomes of more than 100,000 patients who were tested for the virus.

This study came after, early in the pandemic, other studies conducted outside of the U.S. reported that blood type may be a factor in who was afflicted by the virus or who developed severe disease.

Researchers site a report from China that suggests those with type A are more susceptible to COVID-19 while those with type O were less susceptible. Studies in Spain and Italy also suggest that those with type A blood were more likely to have a severe case of COVID-19 while those with type O had a reduced risk.

After observations in Boston and New York City did not confirm any associations between blood type and disease, Intermountain began its own research.

Ultimately, Intermountain researchers say blood type – A, B, or O – was not associated with disease susceptibility or severity, including positive tests, hospitalization, or ICU admission.

Intermountain Healthcare researchers will discuss the findings of the study, published in the Journal of American Medical Association during a Thursday interview.

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