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Omics analysis links blood type to COVID-19


Severity link needed

Dr. Hirota also said that although the study points toward associations with susceptibility to COVID-19, it isn’t clear from the available data whether such associations are related to severity of disease. “If the [patients with gene variants] are more susceptible but [the disease is] less severe, then the results need to be interpreted accordingly. If the susceptibility is increased and the severity is also increased, maybe measured by increased risk for ICU admission, ventilator use, or mortality, then the work carries a much more important message. Future studies extending this work and integrating measures of severity are warranted to better understand the clinical utility of these findings for managing COVID-19 patients optimally,” said Dr. Hirota.

It’s also unclear whether the study populations are reflective of the populations that are currently at highest risk for COVID-19, such as residents of India, where the burden of disease is currently severe.

Dr. Cordero and Dr. Hirota disclosed no relevant financial relationships.

A version of this article first appeared on


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