Revealed, Here Are The Correlation Between Blood Type and Coronavirus Mortality

News24xx.com - An interesting new non-peer-reviewed study that was conducted by 19 Chinese Medical Researchers in collaboration with eight different medical research centers and universities have concluded that individuals with blood type A had a higher risk of contracting the SARS-CoV-2 coronavirus and developing the Covid-19 disease irrespective of gender or age.
 
The ABO group in 3694 normal people in Wuhan showed a distribution of 32.16%, 24.90%, 9.10% and 33.84% for A, B, AB, and O, respectively, versus the distribution of 37.75%, 26.42%, 10.03% and 25.80% for A, B, AB, and O, respectively, in 1,775 COVID-19 patients from Wuhan Jinyintan Hospital. 

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The proportion of blood group A and O in COVID-19 patients were significantly higher and lower, respectively than that in normal people (both P < 0.001).
 
A similar ABO distribution pattern was observed in 398 patients from another two hospitals in Wuhan and Shenzhen. Meta-analyses on the pooled data showed that blood group A had a significantly higher risk for COVID-19 (odds ratio-OR, 1.20; 95% confidence interval-CI 1.02~1.43, P = 0.02) compared with non-A blood groups, whereas blood group O had a significantly lower risk for the infectious disease (OR, 0.67; 95% CI 0.60~0.75, P < 0.001) compared with non-O blood groups. In addition, the influence of age and gender on the ABO blood group distribution in patients with COVID-19 from two Wuhan hospitals (1,888 patients) were analyzed and found that age and gender do not have much effect on the distribution.
 
The findings also showed that those with blood type O had the lowest risk of contracting the Covid-19 disease compared with non-O groups. People with a second blood group more often than others die from complications caused by a coronavirus, Iranian scientists say.

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It is interesting that earlier Chinese and American experts came to the same conclusion. As a result, the authors of all three works noted that people with the second blood group suffer the worst infection. 

Patients with the third and fourth groups died a little less often, and scientists named the people with the first blood group the least vulnerable to COVID-19. It is clarified that the influence of the blood group on the severity of the course of the disease is not associated with any complications or risk factors that were infected. According to the World Health Organization, more than 8.7 million people have been infected with the coronavirus in the world, over 461 thousand have died.