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https://blog.23andme.com/23andme-research/23andme-finds-evidence-that-blood-type-plays-a-role-in-covid-19/

23andMe finds evidence that blood type plays a role in COVID

2020-06-08 15:01:10, By 23andMe under, 23andMe Blog

Content Categorization
/Health
/Science/Biological Sciences

Word Count:
1193

Words/Sentence:
27

Reading Time:
11.93 min

Reading Quality:
Advanced

Readability:
16th or higher

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For 23andMe's study, which now includes more than 750,000 individuals, we investigated the cumulative incidence of self-reported COVID-19 by blood type, hospitalization by blood type, and proportion of those infected after known exposure by blood type.

Individuals with O blood type are between 9-18% percent less likely than individuals with other blood types to have tested positive for COVID-19, according to the data.

Among respondents to the 23andMe COVID-19 survey, the percent of respondents reporting a positive test for COVID-19 is lowest for people who are O blood type.

Numerous other studies have reported that the ABO blood group plays a role in both susceptibility and severity for COVID-19 (refs: 1, 2, 3).

These findings hold when adjusted for age, sex, body mass index, ethnicity, and co-morbidities.

Although one study found the blood group O only to be protective across rhesus positive blood types, differences in rhesus factor (blood type + or -) were not significant in 23andMe data.

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