Health
Large Study Suggests Blood Type O maybe a Protective Factor Against COVID-19
Medical Report
Cover Issue
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From 24 reported data sets including my own report, there were no statistical differences between self-reported rhesus factor (blood type + or -) in blood group O individuals, challenging the findings of previous research.
To assess blood group with regards to risk of acquiring infection, the company restricted the data to individuals with a high probability of exposure, such as health care professionals, essential workers and individuals with close contact with known cases. The trend in results reflected the original dataset, with the reporting of a positive COVID-19 test being 3.2% for blood group O, 3.9% for A, 4.0% for B and 4.1% for AB.
Blood type O showed a protective effect against both acquiring (OR = 0.86, p < 0.0001), and being hospitalized for the infection (OR = 0.81, p = 0.05). The protective effect of acquiring the infection strengthened in models restricted to the “exposed“ population (OR = 0.81, p < 0.0001).
Blood type O showed a protective effect against both acquiring (OR = 0.86, p < 0.0001), and being hospitalized for the infection (OR = 0.81, p = 0.05). The protective effect of acquiring the infection strengthened in models restricted to the “exposed“ population (OR = 0.81, p < 0.0001).
In percentages, in the entire population, individuals with blood group O were 9-18% less likely to test positive when compared to other groups. "Exposed" individuals with blood group O were 13-26% less likely to test positive.
The research study is still ongoing, and enrolment can be completed online. In a press release the company says: "Ultimately, we hope to publish our research findings in order to provide more insight into COVID-19 for the scientific community."
The research study is still ongoing, and enrolment can be completed online. In a press release the company says: "Ultimately, we hope to publish our research findings in order to provide more insight into COVID-19 for the scientific community."
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